south_n or_o north_n may_v be_v term_v by_o that_o part_n which_o it_o respect_v some_o have_v labour_v much_o to_o clear_v if_o you_o chance_v to_o find_v out_o the_o rock_n where_o the_o loadstone_n do_v grow_v where_o you_o purpose_v to_o take_v out_o a_o part_n of_o the_o same_o mark_v your_o part_n with_o note_n for_o the_o north_n and_o south_n then_o cut_v out_o your_o piece_n out_o of_o the_o rock_n and_o put_v it_o into_o a_o bowl_n to_o swim_v on_o the_o water_n and_o your_o mark_n will_v be_v turn_v to_o a_o contrary_a situation_n to_o that_o they_o have_v in_o the_o rock_n and_o the_o north_n note_n will_v be_v turn_v south_n and_o the_o south_n north_n and_o so_o will_v the_o rock_n of_o the_o great_a magnet_n itself_o if_o it_o be_v so_o place_v make_v the_o like_a alteration_n in_o his_o situation_n by_o the_o general_a conformation_n and_o direction_n of_o the_o mighty_a magnet_n the_o globe_n of_o the_o earth_n therefore_o the_o reason_n why_o that_o the_o loadstone_n in_o the_o boat_n upon_o the_o water_n turn_v bend_v and_o seat_v itself_o to_o a_o contrary_a situation_n to_o that_o he_o receive_v and_o have_v primary_o while_o he_o be_v in_o the_o bowel_n of_o the_o earth_n and_o unite_v with_o the_o body_n of_o the_o great_a magnet_n be_v because_o that_o every_o piece_n and_o part_n of_o a_o loadstone_n be_v separate_v from_o the_o whole_a whereof_o he_o be_v a_o part_n be_v now_o become_v a_o perfect_a complete_a and_o sole_a magnetical_a body_n and_o be_v as_o it_o be_v a_o little_a earth_n of_o itself_o have_v all_o the_o propriety_n magnetical_a that_o the_o great_a earth_n have_v as_o his_o two_o pole_n meridians_fw-la aequator_fw-la and_o such_o like_a and_o therefore_o according_a unto_o the_o nature_n of_o magnetical_a union_n hereafter_o speak_v of_o in_o the_o xxii_o chapter_n will_v in_o no_o wise_n endure_v and_o can_v be_v suffer_v to_o match_v and_o seat_n itself_o as_o he_o do_v before_o but_o think_v it_o more_o natural_a and_o a_o thing_n of_o more_o perfection_n and_o conveniency_n to_o turn_v his_o aspect_n a_o contrary_a way_n to_o that_o he_o have_v primary_o at_o his_o first_o make_v and_o endowment_n with_o magnetical_a virtue_n this_o alteration_n of_o polity_n be_v to_o be_v observe_v likewise_o in_o magnetical_a needle_n and_o long_a piece_n of_o iron_n that_o be_v touch_v and_o animate_v and_o adhere_v to_o that_o part_n of_o the_o loadstone_n which_o seat_v itself_o north_n which_o be_v at_o liberty_n and_o separate_v from_o the_o loadstone_n will_v turn_v that_o part_n and_o end_n that_o be_v touch_v at_o the_o north_n pole_n and_o seat_n it_o always_o in_o the_o south_n and_o it_o shall_v be_v sufficient_a for_o use_v to_o know_v and_o mark_v with_o a_o note_n which_o be_v the_o north-pole_n of_o your_o magnet_n and_o which_o be_v the_o south-pole_n there_o be_v another_o virtue_n in_o the_o pole_n of_o the_o loadstone_n and_o that_o be_v that_o the_o south-pole_n turn_v downward_o will_v take_v up_o more_o than_o the_o north-pole_n will_v and_o the_o north_n pole_n will_v erect_v a_o great_a weight_n thâ—n_o the_o south_n part_n or_o pole_n will_v as_o some_o say_v tab._n iii_o fig._n 2._o a_o b._n but_o i_o have_v always_o observe_v that_o the_o pole_n of_o the_o magnet_n that_o seat_v itself_o north_n be_v always_o the_o most_o vigorous_a and_o strong_a pole_n to_o all_o intent_n and_o purpose_n unless_o he_o lack_v the_o quantity_n and_o like_a substance_n the_o south_n part_n have_v these_o pole_n which_o be_v in_o the_o great_a magnet_n of_o the_o globe_n of_o the_o earth_n have_v a_o marvellous_a strong_a magnetical_a power_n impart_v unto_o they_o that_o they_o can_v be_v turn_v either_o high_o or_o low_o or_o move_v to_o the_o right_a hand_n or_o to_o the_o left_a but_o hold_v the_o earth_n continual_o in_o a_o true_a and_o certain_a position_n and_o place_n and_o will_v if_o any_o force_n or_o power_n shall_v move_v their_o great_a strength_n awry_o from_o the_o true_a syte_n and_o meridian_n latitude_n return_v to_o their_o right_a syte_n and_o place_n again_o and_o this_o be_v the_o true_a virtue_n of_o the_o pole_n of_o globe_n which_o the_o sun_n and_o jupiter_n have_v as_o well_o as_o the_o earth_n these_o pole_n be_v most_o certain_a and_o sure_a mark_n for_o all_o magnetical_a body_n convenient_o carry_v to_o direct_v themselves_o unto_o tab._n iii_o fig._n 9_o as_o appear_v by_o our_o compass_n which_o in_o all_o place_n of_o the_o world_n turn_v their_o lily_n into_o the_o north_n whereby_o the_o mariner_n know_v what_o course_n to_o take_v and_o the_o magnetical_a pole_n &_o pole_n of_o the_o world_n both_o arctic_a &_o antarctic_a be_v all_o one_o and_o not_o diverse_a as_o some_o have_v imagine_v which_o have_v lose_v both_o their_o oil_n and_o their_o pain_n and_o this_o be_v true_a by_o the_o demonstration_n and_o motion_n of_o the_o inclinatory-needle_n although_o there_o be_v many_o momentary_a cause_n of_o variation_n these_o pole_n hold_v the_o earth_n certain_o in_o her_o polar_n position_n while_o she_o turn_v herself_o about_o to_o receive_v the_o sunbeam_n and_o influence_n of_o the_o star_n and_o planet_n for_o the_o generation_n and_o maintenance_n of_o all_o inferior_a body_n upon_o she_o in_o she_o &_o proceed_v out_o of_o she_o last_o these_o pole_n of_o the_o earth_n in_o certain_a great_a number_n of_o year_n have_v natural_o a_o little_a inclination_n in_o the_o polar_n circle_n of_o the_o zodiac_n for_o the_o receive_n and_o moderation_n of_o the_o beam_n light_n and_o influence_n of_o the_o star_n whereby_o the_o progression_n and_o anticipation_n of_o the_o equinoctial_a and_o the_o mutation_n of_o the_o great_a declination_n of_o the_o sun_n be_v perfect_o understand_v to_o prevent_v the_o feign_v of_o many_o sphere_n above_o the_o star_n as_o the_o nine_o ten_o and_o eleven_o and_o their_o impossible_a motion_n in_o fashion_v the_o loadstone_n it_o be_v convenient_a to_o make_v flat_a or_o roundish_n the_o end_n of_o the_o magnet_n where_o the_o pole_n be_v the_o better_a to_o cap_n and_o arm_v they_o with_o iron_n or_o steel_n to_o lift_v up_o their_o convenient_a weight_n tab._n iii_o fig._n 2._o &_o 12._o and_o as_o the_o most_o be_v tab._n i._n at_o the_o pole_n the_o inclinatory-needle_n do_v not_o incline_v oblique_o to_o the_o axis_fw-la tab._n iii_o fig._n 6._o as_o the_o needle_n c_o c_o to_o a_o b_o the_o axis_fw-la as_o in_o other_o place_n but_o aspect_v the_o pole_n direct_o and_o perpendicular_o as_o tab._n iii_o fig._n 1._o the_o needle_n c_o respect_v the_o axis_fw-la b_o a_o direct_o &_o make_v one_o line_n with_o it_o also_o at_o the_o north-pole_n that_o point_n of_o the_o directory-needle_n and_o compass_n that_o do_v behold_v the_o south_n of_o himself_o be_v apply_v to_o the_o north-pole_n do_v turn_v as_o some_o think_v but_o this_o be_v true_a only_a at_o the_o aequator_fw-la in_o the_o space_n between_o the_o aequator_fw-la &_o the_o 34_o degree_n as_o be_v demonstrate_v in_o the_o xii_o chap._n &_o not_o at_o the_o pole_n itself_o and_o the_o place_n near_o adjoin_v for_o at_o the_o north-pole_n if_o the_o magnet_n be_v true_o place_v that_o point_n that_o point_v towards_o the_o south_n do_v point_n to_o the_o south_n direct_o and_o in_o the_o place_n near_o adjoin_v do_v it_o oblique_o a_o wire_n touch_v magnetical_o have_v two_o pole_n as_o tab._n iii_o fig._n 5._o the_o one_o end_v a_o be_v north_n and_o b_o of_o the_o nature_n of_o the_o south_n chap._n vii_o of_o the_o axis_n the_o axis_n or_o axletree_n of_o the_o magnet_n be_v a_o line_n that_o pass_v from_o the_o one_o pole_n to_o the_o other_o by_o the_o centre_n of_o the_o body_n of_o the_o loadstone_n and_o after_o this_o order_n there_o be_v a_o axis_n understand_v to_o be_v in_o the_o earth_n tab._n iii_o fig._n 1._o 2._o 3._o &_o 9_o 10._o in_o fashion_v of_o magnet_n if_o a_o piece_n be_v take_v away_o parallel_n from_o the_o axis_n then_o in_o these_o two_o lodestone_n the_o axis_n with_o his_o pole_n will_v be_v remove_v into_o the_o midst_n of_o the_o stone_n as_o tab._n iii_o fig_n 3._o a_o b_o the_o axis_n in_o either_o piece_n be_v in_o the_o midst_n of_o the_o stone_n so_o whether_o that_o bunch_n be_v take_v away_o from_o the_o loadstone_n or_o any_o cavity_n fill_v the_o axis_n will_v always_o be_v place_v in_o the_o midst_n of_o the_o most_o vigorous_a bulk_n of_o the_o loadstone_n as_o a_o b_o in_o every_o figure_n it_o be_v say_v in_o the_o latter_a end_n of_o the_o v._o chapter_n that_o if_o a_o loadstone_n be_v sawen_v in_o two_o part_n from_o one_o pole_n to_o the_o other_o upon_o the_o axis_n that_o the_o pole_n and_o axis_n will_v be_v find_v in_o the_o
it_o will_v have_v a_o great_a force_n but_o take_v it_o away_o from_o the_o stone_n and_o almost_o all_o the_o vigour_n will_v be_v depart_v chap._n xviii_o of_o augment_v the_o virtue_n of_o the_o magnet_n there_o be_v a_o mean_v find_v out_o whereby_o the_o loadstone_n that_o will_v take_v and_o lift_v up_o a_o very_a small_a weight_n may_v by_o be_v arm_v with_o a_o corselet_n and_o tooth_n be_v enable_v to_o take_v up_o more_o ounce_n with_o his_o armour_n than_o he_o can_v be_v naked_a and_o unarmed_a lift_v up_o scruple_n and_o grain_n the_o first_o way_n be_v by_o fashion_v cap_n of_o iron_n or_o steel_n to_o either_o pole_n as_o have_v be_v describe_v tab._n i._n in_o the_o second_o chapter_n whereby_o the_o magnet_n will_v lift_v up_o a_o great_a weight_n of_o iron_n at_o one_o end_n perpendicular_o to_o the_o axis_fw-la and_o after_o if_o you_o turn_v the_o other_o end_n to_o the_o weight_n it_o will_v by_o his_o force_n lift_v up_o the_o same_o weight_n also_o if_o the_o stone_n be_v good_a and_o of_o equal_a substance_n and_o fashion_n this_o way_n or_o arm_n be_v most_o usual_a for_o those_o lodestone_n that_o be_v of_o a_o long_a oval_a form_n where_o at_o the_o pole_n there_o be_v fit_v and_o place_v two_o concave_a piece_n of_o steel_n which_o be_v fasten_v and_o hold_v close_o to_o the_o same_o by_o three_o or_o four_o long_a narrow_a plate_n of_o silver_n or_o brass_n not_o unlike_a to_o that_o order_n which_o be_v use_v in_o tip_v of_o cup_n with_o silver_n that_o be_v of_o ostridge-egge_n indian-nut_n mace-wood_n and_o stone_n which_o from_o the_o bottom_n to_o the_o verge_n and_o edge_v have_v silver_n plate_n for_o to_o hold_v the_o edge_n and_o bottom_n together_o some_o trim_a their_o loadstone_n all_o over_o with_o silver_n and_o guild_v both_o the_o silver_n and_o the_o armour_n join_v altogether_o with_o pretty_a joint_n as_o in_o a_o case_n to_o open_v and_o shut_v there_o be_v another_o way_n of_o cap_v and_o arm_v of_o loadstone_n when_o they_o have_v a_o side_n parallel_n to_o the_o axis_fw-la make_v straight_o plain_a and_o flat_a and_o the_o pole_n round_v or_o flat_v in_o the_o end_n such_o as_o be_v the_o semiterrella_n or_o half_a oval_a form_n tab._n i._o fig._n 2._o 4._o and_o of_o many_o angle_n as_o in_o the_o type_n of_o the_o first_o table_n all_o these_o form_n may_v have_v their_o armour_n on_o the_o end_n where_o the_o pole_n be_v of_o such_o breadth_n as_o shall_v be_v comely_a but_o the_o large_a they_o be_v the_o better_a it_o be_v and_o from_o these_o cap_n to_o have_v two_o square_a form_n of_o steel_n or_o iron_n like_v unto_o tooth_n a_o little_a descend_v lower_v then_o the_o bottom_n of_o the_o stone_n of_o bignsse_n and_o length_n as_o the_o bulk_n of_o the_o magnet_n shall_v permit_v these_o tooth_n because_o that_o they_o do_v descend_v at_o right_a angle_n from_o the_o pole_n will_v joint_o take_v up_o great_a weight_n tab._n xi_o fi._n 12._o 13._o parral_o to_o the_o axis_fw-la of_o the_o magnet_n and_o yet_o at_o one_o of_o the_o tooth_n tab._n xi_o fig._n 11._o will_v lift_v up_o as_o much_o as_o any_o cap_n do_v direct_o and_o in_o one_o axis_fw-la from_o the_o pole_n the_o weight_n for_o this_o form_n aught_o to_o have_v the_o head_n of_o their_o weighte_n like_o a_o headless_a cross_n as_o be_v describe_v tab._n ii_o fig._n 2._o 3._o 4._o here_o observe_v what_o weight_n one_o of_o these_o tooth_n will_v elevate_v â—n_v the_o air_n for_o both_o tooth_n joint_o lift_v and_o hold_v one_o weight_n together_o will_v take_v up_o from_o the_o ground_n four_o time_n as_o much_o in_o weight_n there_o be_v some_o magnet_n that_o will_v take_v up_o with_o two_o tooth_n six_o time_n as_o much_o as_o one_o tooth_n shall_v and_o one_o i_o have_v see_v that_o will_v take_v up_o twelve_o time_n as_o much_o with_o both_o tooth_n as_o he_o will_v do_v with_o one_o tooth_n these_o tooth_n be_v to_o be_v fasten_v to_o the_o stone_n with_o plate_n of_o silver_n or_o brass_n by_o the_o skilful_a workman_n such_o magnet_n as_o be_v make_v plain_a at_o both_o end_n have_v the_o axis_fw-la in_o the_o midst_n of_o the_o stone_n tab._n i._o fig._n 5._o 6._o 12._o may_v have_v their_o armour_n with_o tooth_n on_o both_o side_n two_o tooth_n on_o the_o one_o side_n and_o two_o on_o the_o other_o these_o will_v take_v and_o lift_v up_o with_o like_a strength_n on_o both_o side_n moreov_a the_o virtue_n of_o the_o loadstone_n may_v be_v further_o augment_v by_o increase_v the_o number_n of_o tooth_n and_o shape_a they_o so_o as_o that_o they_o may_v take_v hold_n with_o four_o or_o five_o tooth_n as_o tab._n i._n fig._n 7._o and_o tab._n xii_o fig._n 11._o where_o the_o pole_n be_v in_o the_o end_n of_o the_o stone_n and_o have_v have_v two_o tooth_n descend_v on_o either_o side_n now_o the_o side_n be_v turn_v and_o these_o be_v also_o turn_v in_o form_n of_o a_o greek_a 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d and_o the_o stone_n have_v his_o force_n multiply_v and_o be_v make_v to_o take_v up_o with_o four_o tooth_n have_v two_o tooth_n descend_v from_o either_o end_n where_o the_o pole_n be_v which_o two_o tooth_n be_v of_o one_o nature_n and_o the_o other_o two_o of_o another_o the_o other_o fashion_n for_o to_o take_v up_o with_o five_o tooth_n as_o it_o be_v a_o hand_n with_o five_o finger_n must_v have_v the_o pole_n in_o the_o midst_n of_o the_o stone_n which_o be_v make_v the_o bottom_n must_v have_v his_o cap_n for_o this_o part_n to_o have_v three_o tooth_n like_o a_o slavonian_a 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d as_o ta._n xii_o fi._n 12._o and_o the_o other_o cap_n from_o the_o top_n must_v descend_v with_o two_o tooth_n like_o a_o greek_a 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d as_o in_o the_o type_n there_o be_v a_o way_n to_o cap_v the_o loadstone_n so_o that_o it_o shall_v take_v up_o with_o eight_o tooth_n use_v four_o at_o one_o time_n and_o four_o at_o another_o the_o stone_n will_v have_v two_o broad_a side_n where_o the_o pole_n be_v and_o the_o tooth_n will_v be_v in_o form_n like_o a_o roman_a x._o or_o s._n andrew_n cross_n the_o centre_n hereof_o will_v be_v place_v on_o the_o pole_n and_o the_o tooth_n artificial_o fasten_v if_o there_o be_v two_o loadstone_n that_o be_v cap_v with_o their_o tooth_n descend_v from_o either_o end_n of_o like_a diameter_n and_o length_n then_o place_v those_o tooth_n together_o that_o be_v of_o a_o contrary_a nature_n tab._n iii_o fig._n 12._o and_o tab._n xii_o fig._n 10._o and_o they_o will_v unite_v and_o adhere_v together_o and_o if_o they_o continue_v thus_o some_o time_n the_o weak_a will_v lift_v up_o a_o better_a weight_n chap._n xix_o of_o the_o decay_n and_o decrease_v of_o the_o magnet_n virtue_n the_o vigour_n of_o the_o loadstone_n be_v much_o diminish_v by_o the_o evil_a keep_n of_o it_o as_o when_o it_o be_v lay_v in_o the_o open_a air_n against_o the_o heat_n of_o the_o sun_n and_o subject_v to_o cold_a and_o all_o change_n of_o weather_n or_o lay_v up_o as_o some_o do_v in_o a_o box_n with_o rusty_a fyling_n of_o steel_n and_o iron_n in_o a_o place_n near_o a_o pan_n of_o charcoal_n to_o keep_v it_o warm_v in_o winter_n there_o be_v nothing_o that_o hurt_v the_o loadstone_n more_o than_o the_o fire_n do_v for_o if_o the_o loadstone_n be_v burn_v in_o the_o fire_n it_o will_v lose_v all_o his_o magnetical_a virtue_n and_o strength_n the_o which_o may_v be_v a_o little_a restore_v by_o touch_v a_o good_a magnet_n and_o how_o weak_a so_o ever_o he_o be_v he_o will_v be_v a_o convenient_a magnetical_a medium_n to_o carry_v the_o extent_n of_o the_o magnetical_a vigour_n to_o a_o far_a orb_n aqua_fw-la fortis_fw-la will_v eat_v the_o loadstone_n and_o burn_v and_o mortify_v he_o as_o he_o do_v eat_v into_o iron_n the_o magnetical_a needle_n be_v touch_v and_o excite_v by_o the_o loadstone_n will_v not_o pursue_v and_o point_v out_o the_o vein_n of_o such_o iron_n as_o be_v very_o stony_a and_o full_a of_o dross_n as_o not_o worthy_a the_o labour_n to_o be_v dig_v because_o they_o have_v little_a magnetical_a matter_n and_o iron_n in_o they_o and_o if_o that_o part_n of_o the_o i_o of_o iron_n be_v beat_v and_o stamp_v into_o powder_n the_o magnet_n will_v take_v up_o very_o little_a of_o this_o dust_n declare_v the_o i_o to_o be_v nought_o unless_o the_o i_o be_v heat_n crocus_n martis_n will_v not_o be_v attract_v by_o the_o loadstone_n because_o his_o magnetical_a vigour_n be_v clean_o deface_v and_o evaporate_v by_o the_o fire_n if_o a_o magnetical_a needle_n late_o touch_v and_o invigorate_v by_o the_o magnet_n be_v heat_v red_a hot_a in_o the_o fire_n
a_o short_a treatise_n of_o magnetical_a body_n and_o motion_n by_o i_o park_n â—â—dâ—ey_n dr_n in_o physic_n and_o philosophâ—_n 〈◊〉_d physician_n to_o the_o emperor_n of_o russia_n and_o one_o of_o the_o eight_z principal_n or_o elect_v of_o the_o college_n of_o physician_n in_o london_n london_n print_a by_o nicholis_fw-la okes._n 1613._o a_o preface_n magnetical_a pvrpose_v to_o deliver_v a_o brief_a and_o easy_a doctrine_n as_o concern_v this_o new_a art_n of_o magnetical_a body_n and_o motion_n i_o think_v good_a here_o to_o free_v the_o same_o from_o the_o lustre_n and_o gloss_n of_o disputable_a point_n and_o other_o conceit_n only_o purpose_v to_o handle_v nothing_o in_o the_o same_o but_o the_o plain_a matter_n and_o demonstration_n magnetical_a themselves_o think_v it_o more_o fit_v to_o place_v these_o flower_n in_o the_o preface_n if_o any_o delight_n rather_o in_o they_o then_o in_o the_o matter_n itself_o to_o the_o end_n they_o may_v in_o some_o sort_n be_v provide_v of_o both_o as_o concern_v the_o first_o find_v out_o of_o the_o magnet-stone_n whereof_o i_o be_o to_o treat_v pliny_n and_o nicander_n have_v feign_v that_o a_o certain_a herdsman_n be_v in_o the_o field_n have_v his_o shoe_n shod_a with_o iron_n and_o his_o staff_n arm_v with_o a_o iron_n pike_n and_o rest_v himself_o upon_o a_o quantity_n of_o this_o stone_n can_v not_o easy_o remove_v his_o foot_n or_o lift_v up_o his_o staff_n whereupon_o he_o perceive_v the_o attractive_a virtue_n of_o this_o stone_n that_o it_o do_v attract_v and_o hold_v iron_n other_o think_v that_o the_o pioner_n and_o digger_n of_o metal_n by_o their_o diligence_n and_o observance_n first_o find_v out_o the_o loadstone_n and_o his_o virtue_n of_o attract_v iron_n by_o which_o property_n it_o be_v well_o know_v to_o the_o ancient_a egyptian_n and_o graetian_o in_o time_n past_a some_o have_v think_v that_o the_o magnet_n will_v lose_v this_o quality_n attractive_a if_o he_o be_v anoint_v with_o garlic_n or_o touch_v with_o a_o diamond_n and_o of_o this_o opinion_n be_v ptolemy_n plutarcke_o pliny_n and_o baptista_n porta_n for_o this_o malady_n ruelius_fw-la have_v find_v a_o remedy_n to_o anoint_v the_o loadstone_n with_o goat_n blood_n and_o paracelsus_n with_o his_o oil_n of_o crocus_n martis_n will_v not_o only_o cure_v he_o of_o this_o evil_a but_o can_v make_v he_o ten_o time_n strong_a than_o he_o be_v before_o likewise_o cardanus_n and_o alexander_n amphrodiseus_n have_v labour_v to_o nourish_v the_o magnet_n with_o fiting_n of_o iron_n and_o steel_n many_o have_v strive_v much_o to_o inquire_v out_o the_o cause_n how_o the_o magnet_n shall_v attract_v iron_n unto_o it_o epicurus_n aphrodiseus_n carus_n johannes_n costaeus_n plutarch_n and_o thomas_n aquinas_n do_v suppose_v this_o attractive_a virtue_n to_o proceed_v from_o certain_a mote_n unsensible_a part_n or_o vapour_n issue_v forth_o of_o the_o magnet_n and_o enter_v into_o the_o iron_n by_o convenient_a figure_n and_o in_o their_o retire_n back_o again_o do_v attract_v the_o iron_n to_o the_o loadstone_n plato_n and_o fernelius_n have_v think_v the_o cause_n of_o this_o attraction_n to_o be_v divine_a and_o from_o above_o thales_n and_o anaxagoras_n say_v that_o the_o magnet_n have_v life_n in_o it_o whereby_o it_o attract_v the_o like_a substance_n as_o live_a thing_n do_v some_o think_v that_o there_o be_v a_o certain_a sympathy_n between_o the_o magnet_n and_o iron_n as_o between_o the_o male_a and_o female_a as_o orpheus_n and_o lucretius_n have_v sing_v auaroes_n scaliger_n and_o cardinal_n cusanus_fw-la will_v have_v iron_n to_o move_v unto_o the_o magnet_n as_o to_o his_o beginning_n and_o matrixe_v from_o whence_o he_o come_v gulielmus_fw-la puteanus_n galen_n and_o other_o do_v judge_n that_o by_o his_o substantial_a form_n he_o draw_v iron_n unto_o it_o but_o doctor_n gilbert_n who_o labour_n be_v the_o great_a and_o best_a in_o magnetical_a philosophy_n do_v conceive_v that_o the_o magnet_n and_o iron_n do_v move_v one_o unto_o the_o other_o not_o by_o any_o specifical_a form_n but_o from_o the_o essential_a form_n of_o the_o magnetical_a globe_n of_o the_o earth_n be_v a_o essential_a part_n of_o the_o same_o which_o be_v not_o so_o as_o it_o shall_v be_v demonstrate_v in_o the_o last_o chapter_n of_o this_o treatise_n to_o illustrate_v this_o virtue_n of_o attraction_n in_o the_o loadstone_n serapio_n and_o the_o moor_n like_o far_a traveller_n have_v report_v that_o in_o the_o indies_n there_o be_v mighty_a craggy_a rock_n all_o of_o magnet-stone_n that_o will_v stay_v the_o ship_n as_o they_o sail_v by_o they_o and_o pull_v the_o iron_n nail_v out_o of_o they_o this_o story_n olaus_n magnus_n also_o confirm_v to_o be_v so_o in_o the_o north_n and_o that_o there_o lest_o the_o rock_n of_o loadstone_n shall_v pull_v the_o iron_n work_v and_o nail_n from_o the_o vessel_n and_o boat_n they_o build_v they_o with_o wooden_a pin_n and_o sow_v the_o board_n together_o with_o line_n of_o the_o bark_n of_o tree_n which_o indeed_o they_o do_v both_o for_o want_v of_o our_o skill_n in_o build_v ship_n and_o barge_n and_o for_o want_v of_o iron_n work_v whereof_o they_o have_v little_a store_n and_o because_o this_o stone_n have_v virtue_n to_o attract_v therefore_o marbodeus_n a_o frenchman_n petrus_n bairus_fw-la pictorius_n and_o arnoldus_fw-la de_fw-fr villa_n nova_fw-la do_v fain_o that_o this_o stone_n will_v procure_v the_o love_n of_o prince_n and_o of_o woman_n and_o maintain_v love_n between_o husband_n and_o wife_n halyabbas_a will_v have_v the_o loadstone_n to_o cure_v the_o gout_n if_o it_o be_v hold_v in_o the_o hand_n and_o the_o east_n indian_n say_v that_o it_o preserve_v youth_n caelius_n calcaginus_n say_v that_o if_o the_o magnet_n be_v preserve_v in_o the_o salt_n of_o the_o sea-lampron_a or_o remora_n that_o be_v think_v to_o stay_v a_o ship_n under_o sail_n that_o then_o the_o magnet_n will_v draw_v up_o gold_n that_o be_v fall_v into_o the_o deep_a well_o and_o fracastorius_fw-la testify_v that_o he_o have_v see_v a_o magnet_n that_o will_v draw_v silver_n unto_o it_o and_o chase_v iron_n from_o it_o cardanus_n antonius_n de_fw-fr fantis_fw-la petrus_n perigrinus_fw-la and_o john_n taisner_n do_v deliver_v that_o there_o may_v be_v make_v a_o perpetual_a motion_n by_o the_o virtue_n of_o the_o loadstone_n but_o by_o the_o experience_n of_o many_o ingenious_a practice_n i_o find_v it_o unpossible_a to_o be_v do_v since_o the_o find_n out_o of_o the_o sea-compasse_n which_o be_v about_o 300_o year_n ago_o by_o one_o thomas_n goa_n bear_v near_o naples_n or_o by_o marcus_n paulus_n venetus_n who_o learn_v that_o skill_n in_o china_n as_o be_v think_v and_o first_o bring_v it_o into_o italy_n there_o have_v grow_v many_o opinion_n how_o this_o compass_n shall_v be_v direct_v into_o the_o north_n and_o south_n marcilius_n ficinus_fw-la paracelsus_n and_o cardan_n think_v that_o the_o virtue_n of_o the_o constellation_n of_o the_o bear_n do_v govern_v the_o magnet_n and_o iron_n and_o therefore_o both_o these_o be_v direct_v into_o the_o north._n petrus_n peregrinus_n friar_n bacon_n john_n taisner_n and_o many_o other_o will_v have_v the_o compass_n to_o observe_v the_o north_n pole_n but_o since_o that_o sebastianus_n cabotta_n do_v find_v out_o that_o the_o compass_n do_v vary_v from_o the_o true_a meridian_n it_o have_v be_v imagine_v that_o there_o be_v some_o place_n in_o the_o heaven_n that_o the_o compass_n shall_v respect_v as_o cardan_n will_v have_v it_o to_o observe_v the_o star_n in_o the_o tail_n of_o vrsa_fw-la major_n bessardus_fw-la a_o frenchman_n say_v that_o it_o do_v behold_v the_o pole_n of_o the_o zodiac_n martin_n cortesius_n will_v have_v a_o attractive_a point_n above_o the_o heaven_n and_o robert_n norman_n a_o englishman_n deni_v that_o there_o be_v a_o attractive_a point_n but_o affirm_v that_o there_o be_v a_o respective_a point_n to_o the_o which_o the_o compass_n do_v move_v especial_o the_o inclinatory-needle_n whereof_o he_o be_v the_o first_o invent_v or_o livius_fw-la sanulus_fw-la suppose_v that_o there_o be_v a_o certain_a magnetical_a meridian_n and_o francis_n maurolicus_n that_o there_o be_v a_o magnetical_a island_n and_o fracastorius_fw-la hold_v that_o there_o be_v certain_a magnetical_a mountain_n which_o be_v set_v out_o in_o plancius_n his_o card_n that_o the_o compass_n do_v respect_n but_o doctor_n gilbert_n our_o friend_n and_o collegiate_n have_v discover_v these_o error_n and_o set_v forth_o the_o cause_n of_o the_o variation_n of_o the_o compass_n in_o his_o book_n de_fw-fr magnete_n yet_o late_o gulielmus_fw-la nautonerius_n a_o frenchman_n and_o anthony_n linton_n a_o englishman_n have_v suppose_v that_o the_o magneticall-needle_n and_o compass_n do_v move_v and_o turn_v themselves_o upon_o the_o magnetical_a meridian_n always_o unto_o their_o own_o magnetical_a pole_n place_v upon_o the_o superficies_n of_o the_o earth_n that_o
8._o the_o four_o angle_n tab._n i._o fig._n 10._o and_o of_o many_o other_o fashion_n as_o tab._n i._n fig._n 9_o 11._o 12._o which_o may_v be_v describe_v all_o which_o be_v flat_v or_o round_v at_o their_o pole_n tab._n i._n a_o b_o have_v their_o cap_n with_o one_o or_o two_o tooth_n will_v take_v up_o by_o they_o both_o or_o several_o and_o be_v good_a to_o touch_v needle_n wire_n knife_n dagger_n and_o such_o like_a long_a form_n to_o give_v they_o virtue_n to_o take_v up_o small_a wire_n sowing-needle_n and_o such_o like_a small_a weight_n or_o to_o give_v the_o virtue_n polar_n you_o may_v cap_v and_o arm_v some_o kind_n of_o form_n of_o magnet_n with_o four_o tooth_n two_o tooth_n from_o the_o side_n flat_v at_o either_o pole_n as_o we_o have_v describe_v tab._n i._o fig._n 7._o which_o have_v four_o square_a iron_n tooth_n like_o a_o four_o footed_a stool_n to_o raise_v up_o weight_n with_o four_o tooth_n together_o if_o you_o have_v a_o magnet_n stone_n of_o a_o flat_a form_n that_o have_v his_o pole_n in_o the_o centre_n of_o the_o stone_n as_o these_o i_o have_v describe_v have_v their_o pole_n in_o the_o end_n than_o you_o may_v place_v one_o side_n with_o his_o pole_n downward_o and_o the_o other_o side_n upward_o and_o provide_v you_o a_o cap_n for_o the_o uppermost_a side_n like_o a_o greek_a 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d and_o a_o cap_n for_o the_o nethermost_a side_n like_o a_o slavonian_a 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d and_o these_o be_v artificial_o and_o discussive_o fasten_v to_o this_o loadstone_n will_v take_v up_o weight_n with_o five_o tooth_n as_o it_o be_v a_o hand_n with_o five_o finger_n i_o have_v draw_v a_o line_n a_o b_o in_o all_o these_o form_n parallel_n to_o the_o axis_fw-la of_o the_o loadstone_n to_o the_o end_n that_o the_o cap_n of_o iron_n cross_v the_o pole_n and_o axis_fw-la a_o b_o at_o right_a angle_n may_v be_v the_o better_o perceive_v nevertheless_o in_o fashion_v of_o some_o loadstone_n the_o axis_fw-la can_v so_o apt_o be_v always_o place_v in_o the_o midst_n of_o the_o end_n of_o the_o loadstone_n be_v flat_v unless_o there_o be_v a_o great_a part_n of_o the_o load_n stone_n take_v away_o &_o the_o bulk_n very_o much_o deminish_v which_o will_v lessen_v much_o the_o strength_n of_o the_o stone_n for_o the_o great_a that_o the_o bulk_n be_v the_o more_o be_v the_o strength_n of_o the_o magnet_n therefore_o i_o have_v set_v down_o a_o type_n in_o the_o last_o place_n tab._n i._o fig._n 12._o where_o the_o diameter_n a_o b_o lieth_z awry_o and_o the_o pole_n be_v situate_v high_a and_o low_a at_o the_o end_n and_o yet_o the_o loadstone_n shall_v take_v up_o as_o much_o in_o weight_n as_o if_o his_o diameter_n lie_v not_o oblique_o the_o hilly_a knob_n and_o angulous_a part_n of_o the_o loadstone_n may_v be_v sawen_v away_o with_o sand_n or_o emerâ—_n without_o any_o hurt_n to_o the_o virtue_n of_o the_o stone_n and_o sometime_o many_o ounce_n may_v be_v cut_v away_o without_o any_o loss_n of_o magnetical_a vigour_n especial_o if_o any_o substance_n of_o other_o nature_n be_v intermingle_v and_o agglutinate_v to_o the_o magnet_n which_o may_v be_v know_v by_o their_o colour_n and_o hardness_n very_o easy_o also_o if_o there_o be_v any_o cavity_n and_o hollow_a place_n or_o break_a part_n of_o the_o loadstone_n that_o do_v diminish_v his_o virtue_n or_o disfigure_v his_o form_n this_o may_v be_v supply_v mend_v and_o fill_v either_o with_o a_o piece_n of_o another_o loadstone_n or_o with_o a_o cement_n of_o the_o powder_n of_o the_o loadstone_n and_o the_o file_n of_o steel_n or_o of_o iron_n bray_v and_o grind_v very_o small_a upon_o a_o painter_n stone_n mix_v with_o resin_n and_o wax_n melt_v and_o colour_v to_o the_o colour_n of_o the_o magnet_n that_o be_v mend_v put_v into_o this_o cement_n more_o or_o less_o of_o the_o file_n according_a to_o the_o strength_n of_o the_o loadstone_n some_o with_o this_o cement_n and_o such_o like_a glutinous_a matter_n make_v diverse_a form_n of_o magnetical_a body_n artificial_a it_o be_v very_o convenient_a for_o maker_n of_o sea-compass_n and_o master_n of_o ship_n to_o have_v a_o magnet_n well_o cap_v that_o take_v up_o at_o one_o end_n half_o a_o pound_n weight_n at_o jest_n for_o it_o be_v not_o whole_o necessary_a that_o the_o same_o shall_v be_v of_o the_o best_a vigour_n and_o strong_a rock_n for_o all_o lodestone_n both_o of_o great_a and_o less_o vigour_n have_v the_o same_o faculty_n magnetical_a to_o all_o intent_n and_o purpose_n the_o great_a stone_n of_o the_o same_o rock_n have_v a_o large_a virtue_n than_o the_o less_o and_o every_o part_n and_o small_a piece_n of_o magnet_n stone_n have_v every_o one_o of_o they_o the_o same_o virtue_n and_o vigour_n magnetical_a the_o great_a one_o have_v save_v that_o they_o be_v more_o weak_a and_o not_o always_o proportionable_a in_o strength_n unto_o they_o chap._n iii_o of_o jron_n iron_n be_v a_o mettle_n decoct_v out_o of_o the_o loadstone_n or_o out_o of_o a_o mine_n of_o that_o kind_n the_o best_a iron-mine_a and_o loadstone_n be_v all_o one_o thing_n and_o body_n magnetical_a for_o it_o be_v place_v artificial_o either_o in_o the_o air_n or_o upon_o the_o water_n move_v north_n and_o south_n attract_v other_o iron_n unto_o it_o and_o perform_v the_o same_o conclusion_n that_o the_o magnet_n stone_n do_v this_o mettle_n be_v heavy_a and_o of_o a_o bluish_a black_a colour_n after_o that_o it_o be_v try_v from_o the_o dross_n and_o be_v make_v of_o certain_a iuce_n and_o vapour_n in_o the_o convenient_a bowel_n of_o the_o earth_n by_o a_o specifical_a virtue_n work_v he_o beside_o the_o my_o this_o mettle_n be_v excoct_v out_o of_o diverse_a stone_n sand_n earth_n and_o caly_n of_o diverse_a colour_n which_o have_v much_o iron_n like_o matter_n in_o they_o if_o some_o clay_n 〈◊〉_d burn_v in_o the_o fire_n be_v of_o a_o long_a form_n cool_a north_n and_o south_n after_o be_v hang_v on_o 〈…〉_o in_o the_o air_n or_o put_v into_o a_o dish_n in_o the_o water_n it_o will_v turn_v and_o move_v itself_o too_o and_o fro_o till_o it_o rest_v north_n and_o south_n and_o some_o clay_n be_v burn_v will_v show_v a_o little_a iron_n upon_o his_o side_n that_o be_v melt_v out_o of_o he_o so_o that_o this_o magnetical_a substance_n of_o iron_n be_v not_o very_o scant_o to_o be_v find_v for_o in_o all_o country_n and_o region_n there_o be_v great_a store_n of_o this_o mettle_n be_v the_o principal_a matter_n of_o the_o external_a bark_n of_o the_o globe_n of_o the_o earth_n steel_n and_o iron_n be_v the_o best_a magnetical_a material_n for_o magnetical_a use_n because_o by_o the_o smith_n skill_n they_o will_v be_v extend_v and_o fashion_v into_o diverse_a form_n fit_a for_o the_o practice_n and_o use_v of_o magnetical_a demonstration_n of_o this_o mettle_n be_v make_v cap_n for_o lodestone_n of_o diverse_a form_n with_o tooth_n to_o take_v hold_n of_o and_o lift_v up_o great_a and_o small_a fashion_n of_o weight_n of_o iron_n and_o diverse_a other_o magnetical_a needle_n and_o form_n tab_n two_o it_o be_v good_a to_o have_v long_a plate_n of_o iron_n reasonable_a thick_a tab._n ii_o fig._n 7._o round_a plate_n of_o iron_n tab._n ii_o fi._n 9_o and_o round_o ring_v of_o iron_n of_o diverse_a weight_n and_o bigness_n figure_n 8._o it_o be_v convenient_a to_o have_v diverse_a directory_n magnetical_a needle_n great_a and_o small_a tab._n ii_o fig._n 10._o 11._o for_o dial_n and_o instrument_n and_o needle_n for_o compass_n tab._n ii_o fig._n 12._o &_o 13._o to_o fasten_v to_o the_o card_n or_o to_o take_v off_o at_o pleasure_n we_o use_v short_a wire_n fasten_v to_o third_o and_o a_o little_a loadstone_n in_o a_o three_o to_o take_v up_o a_o weight_n also_o it_o be_v necessary_a to_o have_v inclinatory-needle_n tab._n ii_o fig._n 16._o to_o put_v into_o his_o ring_n and_o a_o short_a one_o with_o a_o lutestring_n in_o the_o midst_n tab._n ii_o fig._n 17._o or_o else_o put_v in_o a_o frame_n of_o brass_n or_o silver_n as_o tab._n ii_o fig._n 18._o to_o find_v the_o pole_n of_o the_o loadstone_n and_o to_o demonstrate_v his_o oblique_a inclination_n to_o the_o loadstone_n as_o he_o be_v carry_v about_o he_o or_o else_o to_o have_v a_o little_a round_a loadstone_n put_v into_o a_o frame_n with_o a_o axletree_n have_v his_o pole_n mark_v fig._n 19_o which_o apply_v about_o the_o loadstone_n turn_v and_o conucrt_v itself_o diverse_o also_o it_o be_v fit_a to_o have_v a_o short_a and_o thick_a needle_n tab._n ii_o fig._n 20._o into_o the_o end_n of_o it_o there_o be_v to_o be_v put_v a_o wire_n of_o silver_n brass_n or_o of_o a_o piece_n of_o a_o whale-bone_n for_o use_n hereafter_o
tie_v with_o a_o axletree_n she_o move_v slide_v and_o pass_v monthly_o about_o the_o zodiac_n that_o all_o the_o part_n of_o her_o globe_n may_v be_v illuminate_v and_o refresh_v with_o the_o beam_n of_o the_o sun_n and_o influence_n of_o the_o star_n for_o as_o a_o ship_n upon_o the_o water_n be_v direct_v even_o forward_o by_o the_o stern_a and_o rudder_n which_o have_v not_o only_o a_o right_a line_n to_o direct_v forward_o but_o also_o a_o right_a angle_n descend_v downward_o that_o she_o wave_n not_o sideling_n or_o turn_v about_o yet_o have_v this_o position_n if_o anchor_n be_v lay_v out_o either_o forward_a or_o backward_o or_o sideling_n with_o their_o cable_n on_o board_n if_o there_o be_v force_n or_o virtue_n on_o board_n to_o hale_v forward_o she_o move_v forward_o if_o draw_v backward_o she_o go_v backward_o if_o pull_v by_o the_o cable_n on_o the_o left_a hand_n yet_o keep_v her_o position_n she_o betake_v to_o that_o hand_n and_o so_o to_o other_o part_n even_o so_o the_o moon_n be_v seat_v as_o afore_o be_v say_v do_v move_v on_o her_o axis_fw-la high_o or_o low_o on_o this_o side_n or_o on_o that_o according_a to_o the_o virtue_n &_o strength_n of_o the_o multiplicity_n of_o her_o axletree_n be_v her_o limb_n to_o stay_v and_o move_v withal_o as_o the_o body_n have_v arm_n and_o leg_n with_o variety_n of_o muscle_n to_o move_v on_o all_o hand_n but_o the_o earth_n whereon_o we_o live_v and_o travel_n have_v never_o be_v find_v by_o any_o to_o have_v any_o pole_n in_o the_o aequator_fw-la of_o her_o body_n or_o near_o the_o same_o for_o if_o we_o be_v so_o happy_a to_o find_v any_o in_o the_o east_n or_o west_n of_o the_o earth_n than_o the_o matter_n of_o longitude_n will_v be_v perfect_o attain_v unto_o which_o have_v so_o great_o busy_v all_o the_o ingenious_a wit_n of_o the_o world_n and_o therefore_o we_o affirm_v that_o the_o earth_n do_v turn_v about_o because_o there_o be_v no_o pole_n in_o the_o aequator_fw-la to_o hinder_v she_o as_o there_o be_v in_o the_o moon_n from_o circular_a motion_n but_o leave_v these_o motion_n to_o other_o that_o do_v labour_n more_o therein_o here_o in_o this_o book_n i_o purpose_v only_o to_o entreat_v of_o the_o great_a globe_n of_o the_o earth_n as_o she_o be_v a_o magnetical_a body_n which_o shall_v be_v first_o perform_v by_o way_n of_o imitation_n in_o a_o little_a magnetical_a earth_n or_o terrella_n and_o semiterrella_n make_v of_o a_o round_a loadstone_n and_o adamant_n whereby_o we_o shall_v plain_o and_o sensible_o demonstrate_v that_o there_o be_v two_o pole_n a_o axis_fw-la meridians_fw-la parallel_n and_o a_o aequator_fw-la in_o every_o loadstone_n and_o magnet_n and_o we_o shall_v produce_v many_o other_o pleasant_a demonstration_n manifest_a theorem_n and_o sensible_a practice_n unto_o your_o eye_n and_o understanding_n which_o we_o shall_v after_o illustrate_v to_o be_v in_o the_o globe_n of_o the_o earth_n to_o prove_v it_o to_o be_v a_o three_o magnetical_a body_n different_a in_o substance_n from_o the_o other_o two_o magnetical_a body_n speak_v of_o in_o the_o two_o former_a chapter_n chap._n v._n of_o the_o two_o pole_n and_o how_o these_o point_n be_v find_v out_o the_o ancient_a mathematician_n and_o astronomer_n of_o form_n time_n observe_v the_o diurnal_a motion_n and_o apparence_n of_o the_o planet_n and_o star_n feign_a certain_a fix_v pole_n and_o other_o circle_n in_o the_o heaven_n by_o which_o they_o discourse_v of_o the_o rise_n setting_n motion_n and_o of_o the_o place_n of_o the_o planet_n and_o star_n never_o imagine_v that_o these_o feign_a matter_n be_v natural_o and_o sensible_o to_o be_v find_v in_o the_o globe_n of_o the_o earth_n much_o less_o to_o be_v see_v natural_o and_o in_o a_o round_a loadstone_n and_o in_o all_o other_o form_n of_o the_o magnet_n stone_n be_v long_o sever_v and_o keep_v from_o touch_v and_o couch_v in_o the_o bowel_n of_o the_o earth_n i_o will_v first_o prove_v how_o the_o two_o pole_n be_v find_v out_o in_o the_o magnet_n stone_n which_o be_v very_o necessary_a to_o be_v know_v before_o that_o the_o loadstone_n be_v fashion_v into_o any_o form_n for_o the_o better_a proportion_v of_o the_o same_o and_o this_o matter_n may_v be_v accomplish_v six_o or_o seven_o manner_n of_o way_n the_o first_o way_n be_v to_o role_n the_o loadstone_n in_o small_a and_o clean_a file_n of_o iron_n and_o about_o those_o part_n where_o the_o point_n and_o pole_n be_v there_o the_o file_n will_v clean_v fast_o in_o great_a multitude_n and_o at_o the_o pole_n will_v stand_v and_o be_v erect_v upright_o mark_v these_o place_n with_o chalk_n tripoli_n red-ochre_n or_o with_o a_o hard_a file_n for_o the_o pole_n the_o second_o way_n be_v to_o hang_v a_o sowing-needle_n by_o a_o three_o or_o a_o small_a wire_n tab._n ii_o fig._n 3_o 14._o or_o as_o in_o table_n iii_o fig._n 1._o over_o those_o place_n of_o the_o loadstone_n whereabout_o the_o pole_n be_v likely_a to_o be_v and_o the_o needle_n and_o wire_n will_v move_v from_o his_o perpendicularity_n and_o hang_v direct_o over_o the_o point_n and_o desire_v to_o touch_v the_o pole_n so_o likewise_o if_o there_o be_v a_o small_a piece_n of_o a_o loadstone_n tab._n ii_o fig._n 15._o cement_v to_o a_o three_o and_o hold_v so_o that_o one_o of_o his_o pole_n bend_v downward_o and_o it_o will_v affect_v to_o touch_v and_o to_o unite_v itself_o to_o to_o the_o contrary_a pole_n in_o the_o stone_n three_o take_v the_o needle_n of_o a_o dial_n or_o some_o of_o the_o directory_n needle_n before_o describe_v tab._n ii_o fig._n 10._o &_o 11._o place_n the_o same_o be_v touch_v magnetical_o upon_o his_o pin_n or_o stake_n tab._n iii_o fig._n 1._o then_o turn_v the_o loadstone_n round_o about_o hold_v it_o somewhat_o near_o unto_o the_o needle_n and_o it_o will_v point_v at_o the_o pole_n of_o the_o magnet_n desire_v to_o touch_v it_o four_o take_v a_o piece_n of_o small_a wire_n of_o iron_n or_o steel_n such_o as_o be_v make_v for_o virginall-string_n tab._n ii_o fig._n 6._o and_o cut_v off_o a_o part_n as_o long_o as_o a_o barley_n corn_n and_o set_v it_o upon_o the_o loadstone_n and_o it_o will_v stick_v fast_o at_o one_o end_n unto_o it_o but_o erect_v itself_o at_o the_o other_o end_n and_o be_v put_v forward_o will_v stand_v upright_o only_o there_o where_o the_o pole_n of_o the_o magnet_n be_v tab._n iii_o fig._n 2._o five_o take_v a_o little_a inclinatory-needle_n before_o describe_v tab._n ii_o fig._n 17._o that_o have_v a_o lutestring_n put_v through_o he_o or_o take_v that_o inclinatory-needle_n which_o be_v place_v on_o a_o frame_n and_o bear_v upon_o a_o axis_fw-la tab._n ii_o fig._n 18._o and_o carry_v either_o of_o these_o round_n about_o the_o loadstone_n and_o they_o will_v conform_v themselves_o oblique_o unto_o the_o stone_n and_o only_o at_o the_o pole_n will_v direct_v the_o point_n of_o their_o end_n perpendicular_o over_o the_o same_o also_o take_v the_o little_a round_a magnet_n before_o place_v upon_o his_o axletree_n and_o frame_n tab._n ii_o fig._n 19_o have_v his_o two_o pole_n mark_v and_o this_o stone_n will_v turn_v and_o conform_v itself_o to_o the_o loadstone_n and_o apply_v his_o contrary_a pole_n direct_o over_o one_o of_o the_o pole_n of_o the_o loadstone_n six_o place_v a_o small_a wire_n under_o the_o loadstone_n and_o it_o will_v follow_v to_o the_o pole_n thereof_o and_o cleave_v and_o hang_v to_o the_o pole_n itself_o which_o be_v to_o be_v mark_v seventh_o and_o last_o take_v that_o wire_n that_o be_v thrust_v through_o a_o cork_n tab._n ii_o fig._n 21._o and_o put_v it_o in_o water_n hold_v a_o loadstone_n unto_o it_o and_o it_o will_v draw_v near_o and_o bend_v itself_o to_o join_v to_o the_o pole_n of_o the_o magnet_n if_o a_o stone_n be_v divide_v and_o sawen_v in_o two_o part_n from_o one_o pole_n to_o the_o other_o or_o by_o a_o parallel_n tab._n iii_o fig._n 3._o the_o pole_n will_v be_v in_o their_o parallel_n place_n tab._n iii_o fig._n 3._o a_o b_o and_o be_v to_o be_v find_v in_o the_o midst_n of_o the_o substance_n of_o the_o loadstone_n unless_o they_o be_v draw_v aside_o by_o excrescenses_fw-la and_o levities_n chap._n vi_o of_o the_o virtue_n of_o the_o pole_n tab_n iii_o magnetical_a body_n have_v two_o pole_n or_o point_n the_o one_o be_v north_n and_o the_o other_o be_v south_n which_o be_v know_v either_o by_o hang_v a_o loadstone_n level_o in_o a_o three_o or_o put_v it_o in_o a_o wooden_a dish_n to_o swim_v in_o a_o basin_n of_o water_n and_o then_o the_o one_o pole_n will_v always_o turn_v to_o the_o north_n and_o the_o other_o to_o the_o south_n which_o be_v to_o be_v mark_v according_o but_o whether_o that_o pole_n that_o seat_v itself_o
pole_n and_o do_v attract_v and_o retain_v with_o like_a force_n and_o virtue_n tab._n iii_o fig._n 11._o place_n two_o wire_n upon_o a_o parallel_n of_o the_o stone_n as_o you_o will_v say_v east_n and_o west_n and_o they_o will_v not_o conjoin_v or_o unite_v together_o tab._n iii_o fig._n 11._o rub_v the_o needle_n of_o a_o dial_n paralell-wise_a on_o the_o loadstone_n and_o it_o will_v hardly_o be_v excite_v and_o animate_v unless_o the_o touch_v be_v near_a unto_o the_o pole_n chap._n xi_o of_o the_o horizon_n the_o aequator_fw-la the_o meridian_n the_o parallel_n the_o pole_n and_o axis_n be_v all_o natural_o in_o the_o globe_n of_o the_o earth_n and_o in_o every_o magnetical_a body_n and_o not_o imaginary_a in_o the_o heaven_n as_o astronomer_n heretofore_o have_v think_v not_o know_v in_o what_o body_n to_o find_v they_o natural_o now_o it_o remain_v to_o write_v of_o the_o horizon_n which_o be_v a_o great_a circle_n that_o devide_v the_o globe_n of_o the_o earth_n into_o two_o hemisphere_n or_o into_o two_o equal_a part_n like_v as_o the_o aequator_fw-la do_v divide_v the_o magnet_n into_o two_o province_n and_o though_o that_o the_o horizon_n be_v of_o great_a use_n in_o magnetical_a practice_n yet_o i_o can_v affirm_v that_o the_o horizon_n be_v natural_o in_o the_o earth_n or_o any_o other_o magnetical_a body_n as_o the_o aequator_fw-la be_v only_o every_o point_n and_o place_n upon_o any_o meridian_n and_o parallel_n may_v be_v the_o centre_n of_o the_o horizontall_a circle_n which_o centre_n be_v magnetical_a and_o of_o many_o use_n in_o magnetical_a demonstration_n both_o to_o know_v on_o what_o parallel_n and_o elevation_n of_o the_o pole_n above_o the_o horizon_n the_o inclination_n and_o conformation_n of_o the_o inclinatory-needle_n be_v observe_v whereby_o we_o come_v to_o the_o knowledge_n of_o the_o angle_n that_o inclinatory_n make_v with_o the_o horizon_n in_o every_o parallel_n of_o the_o earth_n and_o by_o a_o respondency_n that_o it_o have_v with_o the_o axis_fw-la of_o the_o elevation_n of_o the_o pole_n we_o come_v to_o know_v as_o have_v be_v say_v the_o latitude_n of_o the_o pole_n in_o all_o place_n of_o the_o world_n without_o the_o usual_a help_n of_o the_o celestial_a body_n have_v as_o certain_a a_o help_n from_o the_o material_n of_o the_o globe_n of_o the_o earth_n and_o their_o vigour_n for_o this_o conclusion_n as_o from_o any_o other_o globe_n whatsoever_o this_o centre_n of_o the_o horizon_n also_o be_v the_o place_n whereon_o the_o pilot_n place_v his_o compass_n and_o compose_v the_o same_o level_o and_o parallel_o to_o the_o circle_n of_o the_o horizon_n so_o that_o by_o the_o firm_a direction_n of_o the_o lily_n of_o the_o compass_n to_o the_o north_n he_o know_v which_o way_n to_o steer_v his_o ship_n to_o the_o desire_a port_n the_o horizon_n therefore_o of_o use_n be_v a_o plain_a and_o parallel_v superficies_n unto_o the_o horizontall_a circle_n itself_o and_o be_v to_o be_v divide_v into_o 360_o part_n from_o which_o line_n be_v to_o be_v draw_v to_o the_o centre_n of_o this_o horizontall_a circle_n and_o may_v be_v call_v the_o line_n of_o position_n vertical_o and_o azimuth_n whereof_o one_o of_o they_o be_v of_o principal_a note_n and_o be_v call_v the_o magnetical_a meridian_n line_n from_o whence_o the_o rest_n be_v to_o be_v number_v and_o by_o which_o we_o be_v help_v to_o know_v the_o declination_n of_o the_o mariner_n compass_n from_o the_o true_a meridian_n of_o the_o world_n which_o thing_n be_v common_o call_v the_o variation_n of_o the_o compass_n for_o although_o that_o natural_o the_o directory_n and_o magnetical_a needle_n or_o compass_n shall_v place_v itself_o upon_o the_o true_a meridian_n by_o the_o disponent_fw-la virtue_n of_o the_o magnetical_a globe_n of_o the_o earth_n yet_o by_o reason_n of_o the_o neighbourhood_n and_o approach_n of_o other_o eminent_a forcible_a and_o great_a magnetical_a continent_n this_o needle_n be_v turn_v awry_o from_o the_o true_a meridian_n and_o vari_v and_o decline_v to_o the_o one_o side_n or_o the_o other_o certain_a part_n and_o degree_n to_o be_v reckon_v upon_o the_o horizontall_a circle_n whereas_o it_o be_v say_v by_o some_o that_o the_o horizontall_a circle_n make_v always_o right_a angle_n with_o the_o axis_fw-la of_o the_o earth_n this_o assertion_n can_v always_o be_v true_a but_o this_o circle_n of_o the_o horizon_n make_v always_o a_o right_a angle_n with_o the_o meridian_n whereon_o he_o stand_v chap._n xii_o of_o the_o two_o circle_n that_o the_o needle_n make_v about_o the_o magnet_n have_v explain_v before_o the_o nature_n of_o the_o pole_n the_o axis_fw-la and_o the_o circle_n and_o part_n of_o the_o magnet_n to_o be_v natural_o in_o the_o same_o and_o in_o the_o globe_n of_o the_o earth_n now_o it_o follow_v that_o we_o demonstrate_v how_o the_o magnetical_a needle_n and_o wire_n do_v conform_v themselves_o to_o the_o meridian_n of_o the_o round_a magnet_n whether_o it_o be_v a_o terrella_n or_o semiterrella_n for_o this_o purpose_n it_o be_v very_o necessary_a to_o have_v these_o form_n true_o round_v to_o be_v carry_v artificial_o upon_o a_o foot_n and_o fit_v within_o the_o head_n of_o the_o same_o in_o a_o circular_a and_o hollow_a cavitie_n that_o may_v receive_v the_o stone_n so_o that_o the_o two_o pole_n of_o the_o magnet_n do_v lie_v level_a with_o the_o horizon_n leave_v a_o thin_a ring_n of_o the_o foot_n about_o the_o stone_n under_o which_o there_o be_v a_o shoulder_n a_o quarter_n of_o a_o inch_n thick_a leave_v of_o the_o abatement_n of_o the_o height_n of_o the_o foot_n round_o about_o to_o bear_v a_o round_a verge_n or_o limb_n of_o past-boord_n brass_n or_o silver_n for_o a_o meridian_n or_o right_a circle_n as_o be_v use_v to_o be_v do_v in_o the_o place_n of_o all_o globe_n in_o their_o frame_n or_o foot_n whereon_o may_v be_v make_v diverse_a situation_n of_o needle_n and_o description_n magnetical_a as_o tab._n four_o fig._n 1._o tab_n four_o the_o better_a to_o understand_v this_o foresay_a demonstration_n i_o will_v wish_v you_o to_o have_v in_o readiness_n a_o little_a directory-needle_n with_o a_o foot_n flat_a and_o round_o and_o a_o pin_n in_o the_o centre_n of_o it_o to_o carry_v the_o needle_n as_o in_o the_o three_o type_n of_o this_o four_o table_n let_v this_o circular_a foot_n be_v divide_v into_o four_o part_n and_o quadrant_n with_o line_n cross_v each_o other_o at_o right_a angle_n in_o the_o centre_n â—_o where_o the_o pin_n that_o carry_v the_o needle_n and_o at_o the_o begin_n of_o every_o quadrant_a set_v these_o figure_n at_o the_o first_o 1_o at_o the_o second_o 2_o the_o third_z 3_o and_o the_o four_o 4_o now_o in_o the_o limb_n free_a from_o all_o needle_n set_v down_o this_o needle_n with_o his_o foot_n at_o the_o aequator_fw-la d_o and_o the_o needle_n will_v seat_v itself_o parallel_v to_o the_o axis_fw-la of_o the_o magnet_n a_fw-fr b_o then_o turn_v the_o foot_n of_o the_o needle_n about_o that_o the_o diameter_n of_o the_o figure_n 1_o 3_o may_v be_v direct_o under_o the_o needle_n thus_o in_o this_o syte_n carry_v the_o foot_n and_o this_o diameter_n of_o the_o needle_n always_o parallel_v to_o the_o axis_fw-la of_o the_o magnet_n and_o place_n it_o in_o m_o where_o it_o will_v point_v over_o the_o figure_n 2_o the_o beginning_n of_o the_o second_o quadrant_a have_v finish_v one_o quadrant_a of_o circumvolution_n about_o the_o foot_n or_o epicicle_n then_o carry_v this_o foot_n with_o the_o needle_n with_o this_o diameter_n parallel_v to_o the_o axis_fw-la as_o before_o and_o place_n it_o against_o a_o the_o pole_n and_o the_o needle_n will_v point_v to_o 3_o the_o figure_n of_o the_o foot_n have_v finish_v half_o the_o epicicle_n of_o his_o foot_n then_o remove_v the_o foot_n with_o the_o diameter_n 1_o 3_o parallel_n to_o the_o axis_fw-la of_o the_o magnet_n and_o rest_v it_o at_o o_o in_o the_o rimme_a and_o the_o needle_n will_v point_v at_o 4_o have_v perambulate_v three_o quadrant_n and_o then_o rest_v he_o at_o the_o aequator_fw-la c_o where_o he_o will_v point_v to_o the_o figure_n of_o 1_o again_o have_v finish_v a_o whole_a epicicle_n about_o his_o foot_n in_o this_o journey_n about_o half_a the_o magnet_n so_o likewise_o if_o the_o needle_n be_v transport_v beyond_o the_o aequator_fw-la to_o travel_n by_o the_o other_o pole_n b_o to_o finish_v another_o epicicle_n the_o point_n of_o the_o needle_n that_o be_v of_o affinity_n with_o this_o jurisdiction_n will_v offer_v his_o service_n whereto_o place_n the_o figure_n of_o 1_o to_o stand_v just_a under_o he_o at_o the_o aequator_fw-la e_fw-la which_o here_o likewise_o will_v be_v situate_v parallel_n to_o the_o axis_fw-la of_o the_o magnet_n and_o the_o foot_n be_v in_o this_o sort_n aequidistant-wise_a to_o the_o axis_fw-la convey_v in_o the_o
that_o can_v easy_o be_v perceive_v upon_o a_o loadstone_n of_o good_a strength_n and_o vigour_n especial_o upon_o his_o pole_n and_o he_o will_v show_v a_o vigour_n as_o if_o he_o be_v as_o strong_a as_o the_o loadstone_n be_v whereunto_o he_o be_v unite_v but_o after_o that_o he_o be_v take_v away_o he_o will_v be_v as_o weak_a as_o before_o unless_o it_o be_v often_o do_v chap._n xvii_o of_o contribute_v the_o virtue_n magnetical_a to_o iron_n or_o steel_n the_o iron_n bar_v in_o window_n be_v there_o place_v north_n and_o south_n do_v receive_v a_o polar_n virtue_n and_o directory_n faculty_n in_o time_n from_o the_o vigour_n of_o the_o orb_n of_o the_o magnetical_a globe_n of_o the_o earth_n and_o have_v mark_v they_o with_o note_n to_o know_v which_o end_n be_v south_n &_o which_o north_n in_o the_o window_n take_v they_o out_o and_o tie_v a_o three_o about_o the_o midst_n of_o they_o that_o they_o may_v hang_v level_o in_o the_o air_n and_o the_o end_n with_o the_o south_n note_n will_v turn_v itself_o into_o the_o north_n and_o the_o other_o note_n will_v behold_v the_o south_n contrary_a to_o their_o place_n in_o the_o window_n where_o they_o be_v first_o animate_v magnetical_o likewise_o if_o a_o long_a piece_n of_o iron_n be_v forge_v north_n and_o south_n and_o lay_v by_o to_o cool_v in_o the_o same_o situation_n he_o will_v be_v animate_v and_o endue_v with_o a_o polar_n virtue_n and_o move_v in_o the_o air_n be_v hang_v in_o a_o three_o or_o put_v in_o a_o boat_n on_o the_o water_n and_o turn_v to_o the_o contrary_a pole_n to_o that_o from_o which_o he_o first_o receive_v the_o magnetical_a vigour_n if_o a_o rod_n of_o iron_n a_o wire_n or_o directory-needle_n be_v overheat_n in_o the_o fire_n so_o that_o they_o have_v lose_v all_o magnetical_a vigour_n to_o direct_v they_o north_n or_o south_n yet_o let_v they_o be_v touch_v with_o the_o loadstone_n at_o one_o end_n only_o and_o they_o will_v be_v excite_v with_o a_o directory_n and_o polar_n vigour_n at_o both_o end_n and_o the_o one_o end_n of_o the_o semidiamiter_n will_v be_v of_o the_o north_n and_o the_o other_o of_o the_o south_n province_n and_o nature_n and_o be_v place_v according_a to_o magnetical_a order_n will_v direct_v their_o point_n to_o the_o north_n &_o south_n contrary_a to_o the_o pole_n that_o animate_v they_o with_o this_o virtue_n polar_n also_o take_v rod_n of_o iron_n wire_n and_o magnetical_a needle_n that_o have_v never_o be_v touch_v with_o the_o loadstone_n and_o rub_v they_o upon_o the_o pole_n caps_z or_o tooth_n of_o the_o loadstone_n at_o the_o end_n and_o they_o will_v be_v much_o refresh_v vigorate_v and_o animate_v with_o the_o polar_n and_o directory_a virtue_n at_o both_o end_n both_o of_o the_o north_n and_o southpole_n as_o though_o they_o have_v a_o new_a life_n of_o quickness_n infuse_v into_o they_o and_o these_o shall_v refresh_v other_o needle_n that_o shall_v be_v touch_v with_o they_o and_o apprehend_v and_o draw_v they_o away_o like_o captive_n and_o will_v not_o let_v they_o loose_v from_o they_o unless_o by_o force_n you_o sever_v they_o the_o best_a way_n to_o touch_v incite_v and_o give_v the_o polar_n directory_n and_o magnetical_a vigour_n and_o faculty_n unto_o needle_n &_o mariner_n compass_n be_v to_o rub_v they_o from_o the_o midst_n of_o the_o needle_n where_o the_o aequator_fw-la of_o their_o axis_fw-la be_v unto_o their_o point_n upon_o the_o pole_n cap_n or_o tooth_n of_o the_o loadstone_n draw_v they_o thus_o from_o their_o middle_n to_o the_o end_n upon_o the_o cap_n pole_n or_o parallel_v near_o the_o same_o unto_o the_o axis_fw-la or_o at_o right_a angle_n to_o it_o they_o after_o draw_v the_o other_o end_n upon_o the_o other_o pole_n cap_n or_o tooth_n diverse_a time_n as_o afore_o and_o these_o needle_n wire_n and_o plate_n for_o compass_n shall_v be_v perfect_o touch_v and_o vigorate_v in_o long_a lodestone_n that_o have_v the_o pole_n in_o the_o end_n if_o a_o wire_n be_v draw_v parallel_n to_o the_o axis_fw-la from_o the_o pole_n end_v to_o the_o aequator_fw-la it_o will_v be_v incite_v with_o that_o pole_n it_o be_v doubt_v whether_o the_o touch_n and_o polar_n virtue_n will_v be_v give_v as_o well_o from_o a_o parallel_n some_o distance_n from_o the_o pole_n as_o from_o the_o pole_n itself_o it_o be_v plain_a that_o from_o those_o parallel_n and_o part_n near_o adjoin_v to_o the_o pole_n the_o great_a vigour_n of_o polity_n magnetical_a do_v proceed_v yet_o in_o parallel_n near_a the_o aequator_fw-la it_o will_v be_v give_v likewise_o &_o the_o virtue_n directory_n will_v be_v very_o sufficient_a if_o you_o touch_v the_o needle_n among_o the_o parallel_n it_o be_v the_o best_a way_n to_o rub_v the_o needle_n alongst_o the_o meridians_fw-la towards_o the_o pole_n rather_o than_o to_o rub_v the_o cross_a the_o meridians_fw-la in_o a_o parallel_n manner_n yet_o this_o way_n will_v give_v the_o polar_n and_o magnetical_a virtue_n also_o some_o have_v think_v it_o better_a to_o touch_v compass_n and_o magnetical_a needle_n rather_o on_o the_o loadstone_n then_o upon_o their_o cap_n think_v that_o the_o vigour_n and_o faculty_n magnetical_a will_v continue_v long_a that_o be_v give_v from_o the_o bare_a magnet_n stone_n the_o truth_n be_v to_o be_v observe_v in_o time_n yet_o the_o cap_n and_o tooth_n give_v and_o impart_v a_o strong_a vigour_n to_o the_o needle_n than_o the_o bare_a stone_n do_v because_o the_o virtue_n of_o the_o loadstone_n be_v increase_v as_o much_o by_o the_o armour_n and_o cap_n as_o if_o his_o bulk_n simple_o be_v tripled_a needle_n and_o wire_n of_o steel_n heat_v to_o a_o height_n and_o reduce_v back_o to_o a_o bluish_a colour_n will_v receive_v a_o strong_a touch_n and_o retain_v it_o ten_o time_n long_o than_o iron_n will_v howsoever_o he_o be_v harden_v yet_o iron_n be_v best_a for_o cap_n place_v near_o the_o stone_n that_o end_n of_o the_o needle_n whether_o directory_n or_o inclinatory_n which_o be_v to_o be_v touch_v aught_o to_o be_v somewhat_o light_a than_o the_o other_o especial_o for_o the_o north_n and_o most_o vigorous_a touch_n end_n of_o the_o stone_n because_o that_o the_o touch_v will_v sway_v down_o a_o little_a and_o the_o needle_n have_v two_o motion_n one_o of_o direction_n the_o other_o of_o inclination_n and_o then_o the_o needle_n and_o compass_n will_v play_v more_o level_a and_o aequidistant_a to_o the_o horizon_n for_o the_o say_a use_n when_o any_o magnetical_a needle_n or_o wire_n be_v touch_v from_o the_o north-pole_n or_o tooth_n of_o the_o adamant_n that_o end_n of_o the_o needle_n will_v respect_v the_o north-pole_n of_o the_o magnet_n but_o be_v sever_v out_o of_o the_o orb_n of_o the_o adamant_n it_o will_v be_v direct_v into_o the_o south_n by_o the_o magnetical_a virtue_n of_o the_o earth_n but_o if_o a_o round_a globe_n or_o ring_n of_o iron_n be_v touch_v with_o the_o north-pole_n of_o the_o stone_n the_o place_n touch_v will_v have_v the_o virtue_n of_o the_o south-pole_n &_o the_o north-pole_n will_v be_v in_o the_o opposite_a part_n and_o be_v sever_v from_o the_o magnet_n it_o will_v not_o turn_v to_o the_o contrary_a part_n as_o it_o fall_v out_o in_o long_o magnetical_a needle_n &_o compass_n as_o before_o if_o a_o ring_n of_o iron_n be_v touch_v the_o correspondent_a pole_n will_v be_v in_o the_o opposite_a part_n but_o if_o this_o ring_n be_v cut_v asunder_o and_o make_v a_o straight_a wire_n than_o both_o end_n will_v have_v the_o vigour_n of_o one_o pole_n only_o excite_v a_o directory_n needle_n at_o both_o end_n from_o one_o pole_n and_o they_o will_v both_o be_v of_o one_o nature_n and_o look_v what_o point_n be_v last_o touch_v and_o that_o will_v turn_v as_o if_o he_o only_o be_v touch_v and_o direct_v more_o sure_o with_o less_o waver_v too_o and_o fro_o than_o the_o other_o touching_n will_n speak_v of_o before_o let_v a_o long_a piece_n of_o clay_n new_o burn_v cool_a north_n and_o south_n and_o it_o will_v receive_v power_n magnetical_a from_o the_o earth_n set_a two_o lodestone_n with_o their_o pole_n of_o one_o denomination_n at_o the_o end_n of_o a_o piece_n of_o clay_n while_o it_o cool_v and_o both_o end_n will_v be_v of_o one_o nature_n if_o a_o long_a wire_n be_v touch_v in_o the_o midst_n by_o the_o loadstone_n and_o pass_v through_o a_o cork_n and_o set_v for_o to_o swim_v in_o the_o water_n it_o will_v waver_v up_o and_o down_o uncertaine_o as_o though_o it_o be_v not_o touch_v but_o if_o it_o chance_v to_o rest_v itself_o towards_o the_o pole_n in_o time_n it_o will_v be_v endue_v with_o his_o virtue_n set_a a_o piece_n of_o iron_n upon_o a_o loadstone_n as_o you_o do_v a_o weak_a magnet_n in_o the_o end_n of_o the_o former_a chapter_n and_o
or_o of_o steel_n these_o form_n be_v soon_o unite_v and_o fast_o tie_v as_o it_o be_v with_o strong_a ligament_n and_o cord_n both_o unto_o the_o loadstone_n or_o one_o unto_o the_o other_o tab_n xii_o fig._n 3._o therefore_o if_o sand_n or_o other_o matter_n that_o be_v not_o magnetical_a be_v fasten_v and_o bind_v unto_o a_o small_a piece_n of_o iron_n or_o this_o small_a piece_n of_o iron_n be_v fasten_v to_o a_o pair_n of_o seal_n that_o have_v string_n to_o the_o scale_n though_o iron_n be_v the_o weight_n of_o the_o scale_n yet_o the_o magnet_n will_v lift_v up_o and_o hold_v a_o great_a weight_n that_o be_v all_o continue_a iron_n than_o he_o will_v do_v of_o these_o mixture_n and_o intermission_n of_o magnetical_a medium_n of_o diverse_a and_o different_a substance_n not_o magnetical_a if_o a_o magnet_n be_v fasten_v to_o the_o pole_n of_o another_o loadstone_n by_o his_o convenient_a upper_a pole_n than_o a_o great_a weight_n than_o before_o will_v be_v apprehend_v by_o the_o loadstone_n and_o take_v up_o because_o that_o the_o loadstone_n virtue_n be_v increase_v and_o augment_v by_o the_o addition_n and_o adjoin_v of_o the_o other_o magnet_n ta._n xii_o fi._n 6._o 9_o even_o so_o for_o the_o same_o cause_n if_o a_o wedge_n of_o iron_n be_v place_v on_o the_o upper_a pole_n of_o a_o loadstone_n the_o other_o pole_n that_o be_v downward_o will_v take_v up_o a_o great_a weight_n tab._n iii_o fig._n 2._o if_o there_o be_v a_o thin_a plate_n of_o steel_n or_o iron_n hold_v or_o fasten_v unto_o the_o nether_a pole_n of_o the_o adamant_n between_o the_o loadstone_n and_o the_o weight_n than_o the_o magnet_n will_v lift_v double_a and_o sometime_o decuple_n or_o ten_o time_n as_o much_o again_o from_o this_o practice_n begin_v and_o grow_v the_o arm_a and_o cap_v of_o adamant_n with_o steel_n and_o iron_n after_o diverse_a manner_n tab._n ii_o and_o as_o have_v be_v declare_v in_o xviii_o chapter_n of_o the_o augment_v the_o virtue_n of_o the_o loadstone_n by_o this_o arm_n of_o the_o lodestone_n with_o steel_n and_o iron_n in_o convenient_a place_n their_o virtue_n and_o potency_n be_v great_o multiply_v both_o to_o unite_v attract_v apprehend_v and_o lift_v up_o great_a weight_n and_o also_o to_o move_v turn_n and_o conform_v magnetical_a needle_n a_o far_o off_o and_o the_o needle_n by_o have_v a_o strong_a vigour_n infuse_v into_o they_o direct_v and_o retain_v themselves_o more_o firm_o in_o their_o conformity_n and_o direction_n magnetical_a if_o a_o plate_n or_o cap_n of_o iron_n be_v hold_v to_o any_o parallel_n between_o the_o aequator_fw-la and_o the_o pole_n cross_v in_o any_o meridian_n there_o will_v be_v a_o apprehension_n and_o retention_n of_o iron_n wire_n and_o weight_n much_o heavy_a than_o the_o bare_a unarmed_a stone_n will_v hold_v without_o this_o cap_n ta._n xii_o f._n 7._o where_o the_o superficies_n of_o the_o magnet_n about_o the_o pole_n be_v flat_v and_o make_v plain_a have_v armour_n apply_v to_o it_o and_o a_o tooth_n descend_v from_o the_o point_n at_o right_a angle_n to_o the_o axis_fw-la here_o this_o tooth_n will_v take_v up_o and_o lift_v as_o much_o as_o the_o cap_n at_o the_o pole_n will_v tab._n xi_o fig._n 10._o 11._o those_o adamant_n that_o be_v cap_v to_o take_v apprehend_v and_o lift_v up_o at_o the_o pole_n only_o if_o there_o be_v three_o of_o they_o ready_o provide_v put_v the_o second_o to_o the_o nether_a pole_n of_o the_o first_o and_o he_o will_v retain_v he_o firm_o then_o add_v the_o three_o to_o the_o nether_a pole_n of_o the_o second_o and_o the_o first_o by_o virtue_n infuse_v into_o the_o second_o and_o the_o three_o will_v strong_o hold_v they_o both_o in_o the_o air_n tab._n xii_o fig._n 9_o all_o of_o they_o be_v arm_v and_o communicate_v their_o vigour_n together_o firm_o to_o unite_v so_o a_o dagger_n or_o sword_n excite_v will_v lift_v up_o one_o weight_n at_o the_o end_n of_o another_o and_o if_o the_o upper_a that_o touch_v the_o sword_n or_o loadstone_n be_v hold_v a_o inch_n off_o yet_o by_o the_o virtue_n that_o be_v extend_v within_o the_o orb_n magnetical_a the_o weight_n will_v cleave_v together_o still_o set_a a_o short_a and_o small_a wire_n at_o the_o pole_n of_o a_o magnet_n and_o it_o will_v be_v erect_v set_v another_o on_o this_o and_o it_o also_o will_v be_v carry_v upright_o set_v on_o the_o three_o and_o all_o three_o will_v be_v apprehend_v and_o bear_v up_o tab._n xii_o fig._n 7._o also_o set_v a_o short_a wire_n on_o the_o pole_n and_o another_o on_o a_o meridian_n not_o far_o off_o the_o pole_n or_o set_v they_o upon_o two_o several_a meridians_fw-la upon_o a_o strong_a magnet_n then_o lay_v another_o short_a wire_n on_o their_o head_n &_o they_o will_v hold_v and_o carry_v it_o and_o this_o also_o will_v carry_v another_o wire_n upon_o his_o back_n tab._n xii_o fig._n 8._o there_o be_v certain_a form_n of_o magnet_n as_o the_o semiterrella_n in_o fashion_n of_o a_o half_a bowl_n the_o long_a oval_a make_v plain_a at_o the_o bottom_n the_o long_a square_a form_n describe_v tab._n ii_o all_o these_o may_v be_v arm_v and_o cap_v with_o two_o tooth_n at_o right_a or_o oblique_a angle_n to_o the_o axis_fw-la which_o be_v thus_o prepare_v will_v apprehend_v great_a weight_n and_o retain_v they_o most_o firm_o in_o the_o air_n tab._n xi_o 12._o 13._o if_o two_o magnet_n arm_v with_o two_o tooth_n apiece_o be_v set_v before_o we_o the_o one_o be_v strong_a the_o other_o weak_a or_o much_o less_o who_o axis_fw-la or_o diameter_n between_o the_o tooth_n be_v equal_a of_o like_a length_n than_o set_v the_o tooth_n of_o these_o together_o that_o come_v from_o contrary_a pole_n and_o part_n and_o the_o strong_a will_v apprehend_v and_o lift_v up_o the_o weak_a and_o the_o weak_a be_v unite_v and_o incorporate_v with_o the_o strong_a by_o the_o virtue_n that_o he_o receive_v from_o the_o strong_a will_v lift_v up_o from_o the_o ground_n and_o retain_v the_o strong_a and_o great_a very_o firm_o although_o he_o be_v much_o hevy_a than_o the_o weight_n the_o small_a stone_n do_v ordinary_o lift_v up_o tab._n iii_o fig._n 12._o tab._n xii_o fig._n 10._o let_v a_o magnet_n be_v arm_v with_o two_o tooth_n descend_v and_o two_o ascend_a as_o tab._n i._n fig._n 5._o &_o 6._o the_o upper_a tooth_n will_v cleave_v fast_o to_o a_o great_a weight_n of_o iron_n and_o hold_v by_o the_o same_o firm_o apply_v a_o weight_n to_o the_o nether_a two_o tooth_n and_o all_o will_v be_v retain_v and_o hold_v together_o most_o firm_o by_o parallel_n virtue_n of_o the_o meridians_fw-la from_o the_o axis_fw-la such_o magnet_n as_o be_v arm_v to_o one_o superficies_n with_o four_o or_o five_o tooth_n or_o more_o tab._n xii_o fig._n 11._o 12._o must_v needs_o apprehend_v more_o and_o great_a weight_n retain_v and_o lift_v they_o up_o most_o easy_o a_o piece_n of_o steel_n well_o temper_v be_v excite_v will_v lift_v up_o a_o great_a weight_n than_o the_o like_a form_n and_o bulk_n of_o iron_n will_v also_o this_o temper_a mettle_n in_o a_o kind_n of_o form_n may_v be_v cap_v like_o a_o magnet_n it_o have_v be_v prove_v that_o the_o apprehension_n be_v better_a between_o the_o bare_a stone_n and_o iron_n as_o also_o the_o arm_a adamant_n with_o the_o arm_a adamant_n be_v most_o strong_o retain_v and_o far_o more_o firm_o than_o the_o retention_n of_o one_o loadstone_n be_v with_o another_o small_a and_o bare_a stone_n now_o it_o be_v to_o be_v observe_v that_o steel_n by_o reason_n of_o his_o dryness_n 〈…〉_o his_o vigour_n magnetical_a bestow_v upon_o he_o better_o than_o the_o iron_n do_v that_o be_v soft_a which_o entertain_v the_o virtue_n magnetical_a soon_o and_o retain_v it_o the_o less_o time_n where_o his_o substance_n be_v less_o extensible_a and_o glutinous_a so_o steel_n be_v very_o often_o excoct_v and_o evaporate_v in_o the_o fire_n become_v very_o brittle_a and_o will_v not_o receive_v the_o magnetical_a vigour_n yet_o be_v reduce_v from_o that_o hardness_n and_o easy_o temper_v not_o to_o be_v over_o hard_a will_v retain_v the_o vigour_n magnetical_a better_o than_o iron_n those_o adamant_n be_v the_o best_a which_o be_v bare_a and_o naked_a without_o their_o furniture_n and_o armour_n to_o take_v up_o their_o own_o weight_n or_o more_o at_o one_o of_o their_o point_n and_o pole_n and_o retain_v the_o same_o firm_o such_o adamant_n will_v cleave_v unto_o a_o piece_n of_o iron_n by_o their_o meridian_n and_o hang_v unto_o it_o and_o will_v retain_v a_o great_a iron_n weight_n also_o adhere_v to_o the_o meridian_n parallel_v to_o the_o axis_n chap._n xxv_o of_o magnetical_a direction_n from_o the_o earth_n hitherto_o i_o have_v discourse_v of_o the_o magnet_n and_o other_o magnetical_a body_n part_n motion_n application_n
true_a angle_n and_o that_o be_v the_o variation_n of_o the_o inclinatory-needle_n for_o that_o place_n chap._n xxxxiii_n of_o find_v the_o longitude_n here_o i_o purpose_v to_o have_v end_v this_o short_a treatise_n of_o magnetical_a matter_n but_o because_o that_o this_o thing_n be_v not_o altogether_o impertinent_a thereunto_o i_o think_v it_o not_o superfluous_a to_o annex_v this_o little_a chapter_n of_o find_v the_o longitude_n for_o although_o that_o the_o magnetical_a needle_n before_o treat_v of_o do_v not_o show_v the_o longitude_n yet_o because_o the_o true_a meridian_n and_o altitude_n of_o the_o pole_n be_v know_v by_o they_o there_o be_v much_o help_n bring_v thereby_o for_o the_o knowledge_n of_o the_o longitude_n which_o by_o a_o few_o easy_a observation_n more_o from_o the_o body_n of_o the_o moon_n will_v be_v obtain_v who_o motion_n if_o it_o shall_v be_v set_v down_o and_o order_v in_o a_o exact_a manner_n will_v require_v a_o large_a discourse_n with_o many_o rule_n and_o observation_n of_o the_o moon_n inequality_n of_o motion_n anomaly_n and_o prostapherisis_n of_o his_o excentricity_n paralaxis_fw-la with_o the_o variety_n of_o his_o latitude_n and_o nodes_fw-la which_o thing_n be_v very_o laborious_a and_o curious_a shall_v be_v here_o omit_v refer_v you_o herein_o to_o tycho_n brahe_n and_o his_o rule_n and_o only_o i_o shall_v here_o set_v down_o rule_v to_o know_v the_o place_n of_o the_o moon_n at_o a_o large_a scantling_n yet_o very_a near_o the_o truth_n though_o not_o the_o truth_n itself_o which_o peradventure_o the_o best_a study_a in_o this_o kind_n can_v very_o hardly_o do_v only_o borrow_v half_o a_o day_n motion_n at_o the_o moon_n wherein_o the_o matter_n before_o mention_v will_v not_o alter_v many_o minute_n provide_v a_o almanac_n or_o ephemerides_n for_o any_o place_n or_o port_n wherein_o the_o apparent_a place_n of_o the_o moon_n in_o the_o zodiac_n be_v exact_o set_v down_o in_o degree_n and_o minute_n for_o the_o noon_n of_o every_o day_n especial_o of_o the_o day_n of_o observe_v then_o take_v the_o difference_n of_o the_o moon_n motion_n from_o the_o day_n before_o and_o reduce_v it_o into_o minute_n devide_v they_o by_o 24_o hour_n the_o quotient_n will_v show_v what_o minute_n the_o moon_n move_v in_o a_o hour_n now_o take_v the_o altitude_n of_o the_o moon_n at_o any_o time_n of_o the_o day_n or_o night_n by_o the_o jacobs_n staff_n or_o a_o quadrant_a then_o observe_v the_o azimuth_n of_o the_o moon_n by_o shadow_n as_o before_o for_o the_o sun_n or_o by_o a_o ruler_n with_o sight_n which_o if_o it_o do_v differ_v any_o hour_n from_o the_o meridian_n alow_o the_o part_n due_a of_o the_o moon_n motion_n then_o seek_v in_o the_o râ—te_n of_o the_o mathematical_a jewel_n or_o universal_a astrolabe_n where_o the_o azimuth_n and_o almicantaraph_n of_o the_o moon_n new_o observe_v cut_v each_o other_o set_v the_o horizon_n to_o the_o altitude_n of_o the_o pole_n and_o look_v what_o parallel_n do_v cut_v these_o two_o and_o follow_v the_o same_o unto_o the_o ecliptic_a line_n or_o do_v 〈◊〉_d like_v of_o the_o moon_n latitude_n in_o that_o sign_n degree_n and_o minute_n of_o the_o zodiac_n the_o moon_n be_v in_o at_o that_o instant_n these_o degree_n few_o or_o more_o than_o those_o of_o the_o radical_a and_o fix_a meridian_n for_o which_o the_o ephemerides_n be_v make_v do_v show_v what_o hour_n and_o part_n be_v to_o be_v add_v if_o the_o observation_n be_v towards_o the_o west_n or_o substract_v if_o in_o the_o east_n to_o this_o meridian_n it_o be_v to_o be_v note_v that_o every_o hour_n contain_v 15_o degree_n of_o the_o equinoctial_a and_o thus_o the_o longitude_n of_o that_o place_n you_o be_v in_o will_v be_v attain_v which_o you_o desire_v but_o to_o find_v the_o longitude_n of_o any_o place_n you_o go_v to_o from_o the_o place_n you_o pass_v from_o by_o these_o magneticall-needle_n only_o it_o will_v be_v necessary_a to_o prick_v your_o card_n as_o well_o by_o the_o degree_n of_o latitude_n of_o the_o pole_n correspondent_a to_o the_o angle_n of_o the_o inclinatory-needle_n as_o by_o the_o way_n the_o ship_n make_v upon_o the_o point_n of_o the_o directory_n compass_n and_o therefore_o it_o will_v be_v fit_a to_o have_v both_o these_o needle_n place_v together_o as_o in_o the_o type_n of_o the_o xl._n chapter_n and_o pendent_a before_o the_o mariner_n at_o the_o helm_n with_o the_o compass_n and_o travers-boord_n for_o they_o both_o now_o for_o this_o purpose_n i_o will_v have_v another_o travers_n ruler_n or_o limb_n for_o the_o quadrant_a of_o the_o inclinatoryring_n place_v before_o he_o as_o it_o be_v describe_v in_o the_o page_n follow_v where_o there_o be_v only_o 30_o degree_n divide_v upon_o the_o same_o which_o be_v twice_o more_o repeat_v will_v make_v up_o 90_o degree_n every_o degree_n have_v 6_o holâ—â—_n for_o peg_n to_o be_v put_v into_o they_o for_o the_o number_n of_o 10_o minute_n apiece_o and_o on_o the_o first_o column_n on_o the_o left_a hand_n there_o be_v 4_o hole_n make_v to_o receive_v peg_n according_a to_o the_o number_n of_o hour_n you_o sail_v on_o such_o a_o degree_n and_o minute_n point_v in_o the_o inclinatoryring_n if_o any_o error_n shall_v chance_v to_o fall_v out_o by_o any_o variation_n of_o either_o needle_n then_o at_o any_o time_n when_o the_o sun_n do_v shine_v they_o may_v be_v amend_v by_o the_o precept_n already_o large_o deliver_v in_o that_o case_n of_o either_o both_o in_o many_o chapter_n of_o this_o book_n and_o in_o the_o last_o precedent_n chapter_n chap._n xxxxiiii_n of_o the_o matter_n of_o the_o magnetical_a globe_n of_o the_o earth_n by_o the_o needle_n at_o length_n we_o have_v bring_v our_o short_a treatise_n magnetical_a principal_o &_o most_o profitable_o to_o declare_v the_o nature_n of_o the_o directory_n and_o inclinatory-needle_n both_o towards_o the_o terrella_n and_o semiterrella_n and_o towards_o the_o magnetical_a globe_n of_o the_o earth_n and_o how_o the_o proportion_n and_o similitude_n of_o their_o application_n and_o conformity_n to_o both_o be_v alike_o and_o the_o same_o only_o the_o magneticall-needle_n be_v of_o a_o saeminine_a and_o sequent_a substance_n as_o have_v be_v demonstrate_v in_o the_o viii_o xxi_o and_o xxii_o chapter_n do_v behold_v the_o round_a magnet_n and_o the_o round_a iron_n with_o that_o point_n that_o be_v of_o the_o same_o nature_n and_o demonstration_n that_o the_o pole_n be_v which_o he_o follow_v and_o affect_v contrary_a to_o the_o nature_n magnetical_a that_o be_v in_o the_o adamant_n themselves_o one_o towards_o the_o other_o or_o of_o the_o needle_n one_o towards_o the_o other_o but_o this_o magneticall-needle_n be_v free_v from_o the_o magnetical_a orb_n of_o the_o loadstone_n and_o iron_n will_v have_v that_o point_n of_o the_o needle_n that_o follow_v they_o direct_v by_o the_o virtue_n magnetical_a of_o the_o earth_n into_o a_o contrary_a province_n of_o polar_n pre-eminence_n for_o the_o magneticall-needle_n do_v conform_v itself_o unto_o the_o earth_n in_o the_o same_o fashion_n that_o the_o adamant_n and_o loadstone_n itself_o do_v neither_o be_v it_o so_o serviceable_a unto_o the_o magnetical_a globe_n of_o the_o earth_n as_o he_o be_v unto_o the_o magnet_n and_o iron_n but_o be_v of_o a_o fellowlike_o species_n with_o the_o earth_n as_o well_o as_o the_o adamant_n themselves_o be_v whereby_o i_o do_v gather_v that_o the_o matter_n of_o the_o interior_a part_n of_o the_o magnetical_a globe_n of_o the_o earth_n be_v not_o the_o same_o with_o these_o we_o know_v of_o the_o loadstone_n and_o iron_n into_o who_o bowel_n never_o any_o man_n by_o the_o deep_a mine_n or_o other_o passage_n of_o fissur_n and_o cavity_n make_v by_o great_a earthquake_n ever_o yet_o descend_v to_o show_v unto_o we_o any_o part_n of_o the_o earth_n interior_a substance_n magnetical_a and_o though_o i_o take_v the_o matter_n of_o the_o bowel_n of_o the_o earth_n to_o be_v magnetical_a yet_o the_o application_n of_o this_o magneticall-needle_n demonstrate_v that_o the_o magnetical_a globe_n of_o the_o earth_n inward_a substance_n consist_v neither_o of_o solid_a load_n stone_n nor_o of_o ironlike_a mine_n or_o clay_n or_o such_o like_a material_n as_o they_o which_o have_v think_v themselves_o most_o skilful_a in_o magnetical_a philosophy_n have_v imagine_v for_o if_o the_o magnetical_a globe_n of_o the_o earth_n be_v of_o any_o ironlike_a substance_n than_o that_o point_n of_o the_o needle_n that_o affect_v a_o polar_n jurisdiction_n place_v near_o the_o loadstone_n and_o the_o iron_n will_v also_o be_v apply_v unto_o the_o earth_n behold_v the_o same_o province_n and_o jurisdiction_n polar_n be_v direct_v by_o the_o vigour_n of_o the_o earth_n magnetical_a orb_n of_o like_a nature_n but_o this_o be_v not_o so_o as_o all_o confess_v and_o may_v prove_v therefore_o i_o hold_v that_o the_o great_a magnetical_a globe_n of_o the_o earth_n consist_v of_o a_o magnetical_a substance_n unknown_a unto_o we_o as_o also_o the_o body_n of_o the_o magnetical_a globe_n of_o the_o moon_n and_o of_o the_o rest_n do_v and_o so_o conclude_v that_o the_o work_n of_o god_n be_v most_o wonderful_a and_o altogether_o past_o find_v out_o but_o here_o before_o i_o end_v i_o be_o to_o satisfy_v that_o i_o make_v promise_n of_o in_o the_o xii_o chapter_n that_o i_o will_v show_v my_o conceit_n of_o the_o reason_n why_o the_o needle_n in_o his_o passage_n from_o the_o aequator_fw-la of_o the_o magnet_n by_o the_o pole_n to_o the_o aequator_fw-la again_o shall_v make_v the_o circumvolution_n of_o a_o whole_a circle_n in_o turn_v about_o his_o foot_n have_v pass_v a_o semicircle_n of_o the_o terrella_n or_o semiterrella_n and_o will_v make_v another_o whole_a circle_n about_o the_o other_o semicircle_n of_o contrary_a nature_n with_o his_o other_o point_n for_o to_o clear_v this_o with_o the_o nature_n of_o the_o two_o province_n which_o be_v adverse_a one_o unto_o the_o other_o i_o will_v wish_v that_o you_o will_v conceive_v and_o propound_v two_o globe_n of_o magnetical_a nature_n and_o substance_n as_o tender_a as_o clay_n the_o one_o of_o they_o to_o be_v animate_v with_o the_o north_n and_o arctic_a virtue_n at_o both_o pole_n as_o tab._n xx._n fig._n 3._o aa_o to_o turn_v to_o the_o north_n only_o and_o the_o other_o globe_n with_o his_o pole_n tab._n xx._n fig._n 3._o bb_n to_o be_v endow_v with_o the_o antarctic_a power_n to_o move_v to_o the_o south_n only_o now_o if_o the_o globe_n of_o the_o earth_n or_o of_o the_o magnet-stone_n be_v make_v only_o of_o one_o of_o these_o globe_n than_o there_o will_v be_v a_o strife_n between_o the_o pole_n of_o one_o of_o the_o globe_n which_o shall_v behold_v his_o peculiar_a point_n as_o if_o the_o pole_n a_o of_o the_o north_n virtue_n shall_v behold_v the_o north_n the_o other_o pole_n a_o of_o the_o same_o globe_n be_v of_o arctic_a nature_n will_v also_o strive_v to_o behold_v the_o north_n or_o at_o least_o in_o their_o equality_n of_o power_n will_v rather_o respect_v east_n and_o west_n so_o that_o there_o will_v be_v no_o stability_n by_o the_o pole_n of_o such_o kind_n of_o globe_n therefore_o the_o skilful_a potter_n who_o make_v the_o earth_n tam_fw-la robur_n tam_fw-la robor_fw-la ni-colis_fw-la arbor_fw-la jovis_fw-la 1610_o n_n o_fw-fr london_n print_v by_o nicholas_n okes_n dwell_v near_o holborne-bridge_n at_o the_o sign_n of_o the_o hand_n 1613._o
he_o will_v lose_v all_o his_o potency_n polare_fw-la and_o directive_a faculty_n it_o be_v also_o conveient_a to_o understand_v that_o have_v touch_v and_o animate_v a_o needle_n magnetical_o if_o contrary_a to_o this_o excite_a the_o needle_n be_v rub_v from_o the_o point_n to_o the_o midst_n upon_o the_o pole_n of_o a_o magnet_n cap_n or_o tooth_n so_o any_o long_a piece_n of_o iron_n or_o steel_n else_o as_o knife_n dagger_n or_o sword_n which_o before_o will_v have_v attract_v and_o lift_v up_o magnetical_o other_o iron_n of_o some_o weight_n by_o be_v thus_o rub_v back_o again_o from_o the_o point_n to_o the_o midst_n have_v that_o virtue_n take_v away_o which_o they_o receive_v before_o from_o the_o loadstone_n and_o be_v as_o void_a of_o all_o virtue_n attractive_a as_o they_o be_v before_o they_o touch_v the_o magnet_n so_o that_o they_o neither_o will_v adhere_v or_o lift_v up_o the_o least_o weight_n which_o be_v nothing_o to_o that_o they_o will_v have_v do_v be_v excite_v if_o two_o magnetical_a body_n be_v join_v together_o at_o their_o pole_n these_o two_o pole_n that_o touch_v together_o have_v the_o nature_n of_o the_o aequator_fw-la and_o will_v not_o then_o excite_v or_o hold_v a_o needle_n thus_o touch_v a_o adamant_n do_v loose_a much_o of_o his_o strength_n if_o he_o be_v diminish_v and_o have_v any_o part_n of_o his_o body_n take_v from_o he_o especial_o if_o his_o figure_n be_v good_a before_o some_o have_v think_v that_o certain_a form_n of_o the_o magnet_n which_o may_v be_v allow_v for_o convenient_a figure_n do_v lessen_v the_o magnetical_a vigour_n chief_o in_o their_o attraction_n as_o a_o spherical_a or_o plain_a superficies_n in_o the_o pole_n of_o globe_n and_o of_o square_a and_o angulous_a figure_n but_o these_o full_a and_o obtuse_a superficies_n and_o flat_a form_n at_o the_o pole_n do_v attract_v best_o with_o their_o cap_n and_o lift_v up_o most_o as_o have_v be_v declare_v in_o the_o eighteen_o chapter_n before_o for_o this_o vigour_n proceed_v from_o the_o substance_n of_o the_o adamant_n better_a than_o in_o long_a and_o pike_a form_n which_o have_v very_o little_a substance_n leave_v about_o the_o pole_n yet_o this_o assertion_n be_v partly_o true_a in_o such_o like_a form_n of_o iron_n for_o in_o this_o mettle_n the_o long_a fashion_n be_v best_a a_o round_a plate_n of_o iron_n to_o the_o pole_n cap_n or_o tooth_n of_o the_o magnet_n disperse_v and_o diminish_v the_o direct_a extent_n of_o his_o vigour_n likewise_o a_o long_a plate_n or_o square_a piece_n of_o iron_n or_o steel_n tab._n ii_o fig._n 9_o 17._o apply_v to_o the_o two_o tooth_n of_o the_o loadstone_n do_v deform_v the_o figure_n of_o the_o body_n and_o deprave_v his_o virtue_n chap._n xx._n of_o the_o commutation_n of_o the_o virtue_n polar_a the_o polar_a virtue_n be_v say_v to_o be_v change_v when_o as_o the_o north-pole_n be_v make_v the_o south-pole_n and_o the_o south-pole_n alter_v into_o the_o nature_n of_o the_o north-pole_n in_o magnetical_a body_n this_o thing_n be_v effect_v in_o a_o weak_a magnet_n by_o place_v he_o a_o long_a time_n by_o a_o magnet_n that_o be_v strong_a unnatural_o which_o be_v do_v by_o adjoin_v the_o two_o north-pole_n or_o the_o two_o southpole_n of_o the_o two_o loadstone_n together_o a_o long_a time_n where_o the_o strong_a magnet_n will_v by_o his_o neighbourhood_n take_v away_o that_o contrary_a nature_n of_o pollity_n that_o be_v in_o the_o weak_a loadstone_n and_o will_v make_v and_o infuse_v into_o he_o that_o polar_n virtue_n which_o do_v natural_o unite_v unto_o the_o pole_n of_o the_o strong_a adamant_n make_v that_o point_n and_o pole_n to_o be_v south_n which_o be_v north._n this_o thing_n be_v not_o only_o experience_v in_o two_o several_a magnet_n lodging_n together_o in_o one_o chamber_n and_o box_n but_o also_o if_o you_o shall_v agglutinate_v and_o cement_v diverse_a magnet_n of_o diverse_a strength_n together_o they_o will_v all_o of_o they_o be_v conjoin_v and_o unite_v together_o as_o if_o it_o be_v one_o stone_n and_o body_n and_o may_v be_v make_v and_o fashion_v into_o a_o convenient_a figure_n and_o will_v be_v endue_v with_o one_o vigour_n magnetical_a of_o one_o province_n though_o separate_v they_o be_v of_o diverse_a polity_n and_o jurisdiction_n magnetical_a needle_n and_o long_a form_n of_o iron_n as_o knife_n dagger_n wire_n and_o such_o like_a if_o at_o one_o time_n they_o be_v touch_v and_o excite_v with_o the_o north-pole_n and_o make_v of_o his_o nature_n in_o all_o operation_n magnetical_a than_o another_o time_n let_v these_o north_n point_v be_v touch_v as_o be_v use_v to_o be_v do_v with_o the_o south-pole_n of_o the_o loadstone_n this_o end_n now_o have_v lose_v his_o former_a nature_n and_o be_v make_v of_o affinity_n and_o allegiance_n unto_o the_o south-pole_n and_o after_o if_o you_o shall_v bestow_v upon_o he_o by_o touch_v he_o again_o at_o the_o other_o pole_n the_o virtue_n of_o the_o north-pole_n again_o and_o then_o he_o will_v march_v under_o his_o banner_n and_o look_v by_o which_o pole_n he_o be_v last_o touch_v and_o relieve_v he_o will_v remain_v at_o his_o service_n always_o after_o and_o bear_v his_o badge_n put_v clay_n of_o a_o long_a form_n in_o the_o fire_n after_o let_v he_o cool_v north_n and_o south_n and_o it_o will_v receive_v a_o polar_n virtue_n after_o burn_v it_o again_o in_o the_o fire_n and_o let_v that_o end_n which_o cool_v first_o north_n now_o cool_a south_n and_o it_o will_v be_v commutate_v into_o the_o nature_n of_o the_o south_n and_o the_o other_o north._n furthermore_o if_o a_o strong_a loadstone_n be_v hold_v somewhat_o near_o such_o compass_n and_o needle_n as_o have_v be_v excite_v and_o touch_v with_o the_o virtue_n directory_n from_o the_o north_n by_o the_o magnet_n although_o they_o be_v in_o their_o box_n yet_o the_o other_o end_n of_o the_o loadstone_n will_v alter_v their_o situation_n and_o the_o lily_n of_o the_o compass_n will_v be_v clean_o turn_v that_o that_o part_n and_o lily_n that_o shall_v always_o turn_v north_n will_v either_o stand_v south_n or_o else_o move_v up_o and_o down_o unperfect_o and_o weak_o have_v his_o first_o polar_n virtue_n change_v for_o another_o or_o else_o take_v away_o this_o conclusion_n make_v many_o afraid_a to_o let_v two_o magnet_n come_v too_o near_o together_o lest_o the_o one_o shall_v rob_v the_o other_o but_o this_o will_v not_o be_v effect_v present_o in_o the_o lodestone_n themselves_o though_o that_o it_o be_v prove_v soon_o to_o come_v to_o pass_v in_o the_o magnetical_a body_n of_o steel_n and_o iron_n if_o a_o directory-needle_n be_v excite_v at_o both_o end_n from_o one_o pole_n it_o will_v have_v the_o virtue_n of_o that_o pole_n at_o both_o end_n but_o if_o both_o end_n be_v rub_v back_o from_o the_o point_n to_o the_o midst_n on_o the_o same_o pole_n both_o end_n will_v have_v the_o nature_n of_o the_o contrary_a pole_n and_o if_o one_o end_n be_v pass_v from_o the_o point_n to_o the_o midst_n that_o end_n will_v have_v the_o nature_n of_o the_o contrary_a pole_n and_o the_o other_o end_n will_v keep_v his_o nature_n still_o chap._n xxi_o of_o the_o discord_n of_o the_o two_o point_n of_o the_o adamant_n this_o proposition_n be_v demonstrate_v by_o two_o magnet_n swim_v in_o their_o boat_n in_o a_o basin_n of_o water_n as_o tab._n xi_o fig._n 5._o 6._o for_o if_o by_o force_n their_o two_o north-pole_n or_o southpole_n be_v place_v together_o they_o will_v abhor_v the_o one_o the_o other_o and_o part_v asunder_o by_o speedy_a flight_n tab_n xi_o when_o two_o adamant_n shall_v comfort_n and_o keep_v together_o at_o their_o contrary_a pole_n at_o the_o approach_n of_o a_o three_o magnet_n they_o will_v be_v separate_v and_o fly_v asunder_o tab._n xi_o fig._n 1._o because_o that_o the_o pole_n of_o their_o adamant_n that_o be_v offer_v unto_o they_o be_v of_o the_o nature_n of_o the_o pole_n of_o one_o of_o the_o two_o lodestone_n which_o the_o stone_n of_o that_o denomination_n perceive_v fly_v away_o from_o the_o company_n of_o the_o other_o because_o two_o southpole_n and_o two_o north-pole_n in_o diverse_a magnet_n be_v at_o discord_n and_o war_n together_o and_o can_v abide_v to_o dwell_v as_o neighbour_n together_o but_o each_o of_o they_o place_v out_o of_o the_o other_o orb_n will_v both_o aspect_n the_o north_n with_o their_o north-pole_n and_o the_o south_n with_o their_o southpole_n and_o thus_o two_o needle_n excite_v as_o tab._n xi_o fig._n 2._o will_n each_o of_o they_o out_o of_o the_o other_o orb_n have_v respect_n to_o their_o proper_a pole_n but_o if_o the_o needle_n be_v within_o the_o orb_n one_o of_o the_o other_o as_o tab._n xi_o fig._n 7._o then_o they_o will_v move_v and_o adhere_v together_o at_o their_o contrary_a pole_n
virtue_n and_o effect_n as_o they_o have_v one_o unto_o the_o other_o which_o have_v be_v of_o that_o quality_n that_o they_o may_v be_v almost_o all_o of_o they_o experience_v and_o observe_v at_o home_n and_o in_o our_o house_n handle_v the_o loadstone_n as_o little_a earth_n and_n globe_n and_o turn_v they_o about_o with_o our_o hand_n to_o see_v observe_v and_o understand_v all_o the_o quality_n virtue_n and_o effect_n of_o the_o same_o whatsoever_o compare_v these_o magnet_n as_o diverse_a earth_n and_o magnetical_a globe_n together_o with_o the_o motion_n compassion_n and_o conclusion_n proceed_v from_o a_o present_a particular_a and_o unnatural_a cause_n and_o potency_n in_o the_o stone_n before_o our_o eye_n and_o have_v before_o partly_o discover_v the_o motion_n that_o magnet_n have_v with_o the_o earth_n be_v take_v out_o of_o the_o same_o and_o breed_v and_o animate_v therein_o as_o also_o the_o motion_n of_o such_o iron_n as_o have_v be_v excoct_v out_o of_o the_o mine_n and_o such_o like_a vein_n or_o rather_o bone_n of_o the_o earth_n that_o have_v be_v also_o endue_v and_o excite_v with_o the_o directory_n and_o magnetical_a vigour_n from_o the_o earth_n both_o at_o their_o first_o forge_v and_o form_v as_o also_o by_o their_o place_n upon_o the_o ground_n while_o they_o cool_v and_o become_v tractable_a with_o our_o hand_n and_o their_o position_n in_o house_n window_n and_o other_o place_n also_o i_o have_v show_v how_o this_o virtue_n directory_n polar_n vigour_n and_o polity_n be_v to_o be_v give_v to_o compass_n for_o the_o sea_n &_o to_o directory_n needle_n that_o direct_v our_o movable_a dial_n into_o the_o meridian_n line_n and_o to_o the_o inclinatory-needle_n or_o any_o other_o needle_n or_o mathematical_a instrument_n whatsoever_o now_o i_o be_o to_o declare_v how_o such_o demonstration_n as_o have_v be_v learned_a at_o home_o out_o of_o the_o terrella_n and_o semiterrella_n magnetical_a may_v be_v put_v in_o practice_n and_o use_v by_o such_o as_o sail_v to_o far_o country_n by_o sea_n or_o travel_v by_o land_n for_o their_o great_a benefit_n both_o to_o teach_v they_o how_o to_o direct_v their_o course_n and_o to_o tell_v they_o in_o what_o place_n and_o climate_n they_o be_v in_o which_o thing_n they_o may_v perform_v and_o learn_v very_o perfect_o have_v the_o directory_n in_o their_o compass_n and_o the_o inclinatory-needle_n in_o the_o meridian_n ring_v artificial_o make_v about_o they_o in_o compare_v the_o two_o magnetical_a body_n of_o iron_n and_o the_o magnet_n with_o the_o earth_n the_o great_a and_o mother_n magnet_n of_o all_o magnetical_a body_n we_o shall_v see_v and_o behold_v that_o not_o only_o in_o the_o loadstone_n the_o terrella_n and_o semiterrella_n but_o principal_o in_o the_o great_a terra_n and_o magnetical_a globe_n of_o the_o earth_n there_o be_v natural_o find_v the_o two_o pole_n the_o north_n and_o south_n the_o aequator_fw-la the_o meridians_fw-la parallel_n axis_fw-la and_o horizon_n whereupon_o all_o the_o motion_n and_o conclusion_n that_o have_v be_v make_v upon_o the_o meridians_fw-la of_o the_o say_v form_n in_o the_o magnet_n be_v proportionable_o and_o agreeable_o to_o be_v find_v in_o the_o magnetical_a globe_n of_o the_o earth_n in_o pass_v about_o her_o meridians_fw-la for_o all_o magnetical_a motion_n be_v perform_v upon_o the_o meridians_fw-la principal_o as_o have_v be_v say_v therefore_o place_v any_o magnetical_a body_n as_o be_v use_v to_o be_v do_v free_a from_o all_o obstacle_n tab._n xi_o fig._n 5._o 6._o that_o may_v hinder_v their_o motion_n and_o conformity_n and_o they_o will_v be_v situate_v conformable_o unto_o the_o meridian_n of_o the_o earth_n because_o that_o the_o earth_n have_v primary_o natural_o &_o from_o her_o first_o creation_n all_o magnetical_a faculty_n vigour_n virtue_n power_n and_o potency_n in_o herself_o and_o first_o if_o a_o magnet_n who_o pole_n be_v know_v by_o the_o art_n before_o teach_v be_v place_v in_o a_o boat_n or_o bowl_n of_o wood_n and_o put_v into_o a_o great_a basin_n or_o bowl_n of_o water_n it_o will_v conform_v direct_a and_o seat_n itself_o north_n and_o south_n according_a to_o the_o same_o position_n and_o meridian_n that_o pass_v direct_o unto_o the_o pole_n of_o the_o earth_n likewise_o take_v a_o magnetical_a needle_n that_o have_v be_v excite_v with_o the_o adamant_n such_o as_o be_v in_o movable_a dial_n or_o else_o take_v the_o mariner_n compass_v and_o place_v they_o in_o quiet_a situation_n and_o they_o will_v be_v direct_v by_o the_o disponent_fw-la virtue_n and_o magnetical_a vigour_n of_o the_o earth_n towards_o the_o north_n and_o southpole_n upon_o the_o true_a meridian_n circle_n and_o line_n if_o there_o be_v no_o obstacle_n all_o direction_n be_v observe_v by_o magnetical_a body_n especial_o by_o the_o directory-needle_n and_o compass_n upon_o one_o certain_a horizon_n who_o centre_n be_v in_o a_o meridian_n cut_v by_o some_o of_o the_o parallel_n and_o on_o this_o centre_n the_o needle_n and_o compass_n be_v suppose_v to_o be_v place_v be_v true_o pease_v and_o compose_v that_o they_o may_v play_v turn_v too_o and_o fro_o and_o rest_v level_a and_o parallel_v unto_o the_o horizon_n fit_o place_v upon_o a_o pin_n of_o brass_n or_o silver_n and_o be_v well_o touch_v and_o excite_v to_o the_o end_n they_o may_v be_v direct_v more_o certain_o towards_o the_o pole_n upon_o the_o meridian_n tab._n xii_o fig._n 13._o all_o magnetical_a needle_n will_v be_v touch_v with_o a_o good_a vigorous_a and_o big_a loadstone_n that_o be_v cap_v lift_v up_o at_o least_o half_a a_o pound_n weight_n of_o iron_n to_o the_o end_n it_o may_v carry_v the_o fly_n and_o card_n of_o the_o compass_n more_o strong_o to_o his_o true_a direction_n and_o situation_n all_o needle_n and_o compass_n that_o be_v to_o be_v animate_v and_o excite_v with_o that_o part_n of_o the_o magnet_n that_o seat_v itself_o north_n swim_v in_o a_o dish_n upon_o the_o water_n by_o the_o disponent_fw-la power_n of_o the_o earth_n and_o be_v free_v from_o out_o of_o the_o orb_n and_o virtue_n of_o other_o magnetical_a body_n these_o be_v turn_v and_o direct_v by_o the_o vigour_n of_o the_o earth_n into_o the_o south_n upon_o the_o meridian_n line_n even_o so_o a_o rod_n of_o iron_n that_o stath_n be_v place_v north_n and_o south_n in_o a_o window_n a_o long_a time_n whereby_o he_o have_v receive_v a_o true_a touch_n of_o polar_n virtue_n from_o the_o earth_n be_v within_o the_o orb_n of_o his_o vigour_n and_o be_v remove_v from_o this_o position_n which_o will_v be_v note_v with_o chalk_n and_o hang_v level_o in_o a_o string_n in_o the_o air_n will_v move_v his_o north_n part_n and_o seat_n it_o in_o the_o south_n quiet_o therefore_o all_o magnetical_a body_n whether_o it_o be_v the_o magnet_n that_o be_v take_v out_o of_o the_o earth_n or_o a_o part_n of_o a_o magnet_n take_v out_o from_o this_o stone_n that_o be_v cut_v immediate_o out_o of_o the_o earth_n or_o any_o iron_n or_o steel_n that_o be_v excite_v either_o from_o the_o earth_n from_o a_o adamant_n or_o from_o another_o excite_a needle_n iron_z or_o knife_n or_o long_a form_n of_o burn_a clay_n all_o these_o whatsoever_o receive_v their_o directive_a and_o polar_a faculty_n from_o another_o magnetical_a body_n be_v set_v at_o liberty_n artificial_o in_o the_o air_n or_o water_n to_o move_v and_o turn_v will_v seat_n and_o be_v direct_v to_o the_o contrary_a pole_n they_o be_v first_o reviue_v by_o every_o part_n from_o the_o aequator_fw-la to_o the_o pole_n do_v give_v a_o polar_n and_o magnetical_a virtue_n unto_o diverse_a form_n of_o iron_n and_o steel_n to_o move_v unto_o a_o contrary_a position_n by_o the_o directive_a faculty_n of_o the_o earth_n this_o faculty_n directive_a be_v as_o strong_a upon_o the_o aequator_fw-la as_o elsewhere_o though_o it_o do_v not_o bestow_v it_o to_o other_o be_v fortify_v from_o both_o province_n on_o either_o side_n and_o when_o the_o needle_n and_o compass_n shall_v be_v in_o the_o aequator_fw-la of_o the_o earth_n because_o their_o libration_n and_o levelnesse_n be_v all_o one_o with_o the_o horizon_n therefore_o here_o the_o direction_n be_v conformable_a and_o strong_a but_o in_o other_o place_n and_o near_o the_o pole_n especial_o the_o level_n of_o the_o needle_n be_v more_o violent_a because_o they_o will_v incline_v and_o make_v a_o angle_n with_o the_o axis_fw-la and_o therefore_o the_o direction_n here_o be_v think_v by_o some_o to_o be_v very_o weak_a yet_o in_o this_o place_n near_o the_o pole_n in_o the_o terrella_n and_o semiterrella_n the_o little_a needle_n on_o his_o foot_n bear_v himself_o most_o strong_o and_o stiff_o that_o be_v with_o a_o finger_n turn_v awry_o it_o will_v turn_v again_o to_o his_o direction_n very_o violent_o though_o incline_v to_o the_o stone_n and_o rest_v itself_o very_o speedy_o
make_v right_a angle_n with_o these_o two_o pole_n of_o one_o nature_n as_o tab._n viii_o fig._n 1._o now_o take_v away_o one_o of_o these_o stone_n and_o after_o turn_v the_o north-pole_n a_o towards_o the_o needle_n that_o behold_v the_o south-pole_n b_o of_o the_o other_o stone_n and_o they_o will_v all_o of_o they_o situate_v themselves_o equidistant-wise_a and_o at_o right_a angle_n to_o the_o aequator_n of_o both_o stone_n as_o table_n viii_o fig._n 2._o tab_n viii_o moreover_o take_v other_o two_o magnet_n that_o be_v long_o with_o the_o pole_n in_o the_o end_n like_o that_o tab._n vii_o fig._n 2._o and_o lay_v it_o before_o you_o and_o place_v three_o needle_n before_o it_o two_o at_o the_o end_n &_o one_o in_o the_o midst_n against_o the_o aequator_fw-la which_o will_v apply_v parallel_n to_o the_o axis_fw-la of_o the_o stone_n and_o those_o two_o at_o the_o end_n will_v seat_v themselves_o at_o right_a angle_n to_o the_o axis_fw-la as_o before_o then_o set_v the_o other_o long_a magnet_n that_o have_v his_o pole_n in_o the_o end_n with_o the_o north_n pole_n a_o against_o the_o north-pole_n a_o of_o the_o first_o stone_n tab._n viii_o fig._n 3._o and_o all_o the_o three_o needle_n will_v apply_v themselves_o in_o a_o straight_a line_n parallel_n to_o the_o axis_fw-la somewhat_o like_o the_o order_n of_o the_o first_o type_n yet_o contrariwise_o now_o take_v away_o this_o second_o stone_n with_o the_o pole_n in_o the_o end_n &_o turn_v it_o and_o place_v the_o south_n end_n b_o against_o the_o north_n end_v a_o as_o tab._n viii_o fig._n 4._o and_o then_o the_o 3_o needle_n will_v stand_v at_o right_a angle_n to_o the_o axis_fw-la and_o parallel_v one_o unto_o another_o and_o to_o the_o aequator_fw-la this_o be_v to_o be_v observe_v in_o these_o application_n that_o the_o near_a the_o second_o loadstone_n be_v place_v to_o the_o needle_n in_o aspect_n with_o the_o first_o magnet_n the_o better_a will_v they_o shape_v out_o these_o figure_n of_o application_n &_o in_o the_o approach_n they_o will_v vary_v by_o little_a and_o little_a from_o their_o first_o situation_n until_o the_o virtue_n of_o the_o two_o lodestone_n be_v equal_a in_o their_o orb_n it_o may_v be_v imagine_v that_o these_o application_n for_o the_o most_o part_n shall_v be_v find_v natural_o upon_o the_o earth_n in_o travel_v or_o navigate_a between_o two_o great_a land_n or_o high_a magnetical_a continent_n but_o the_o first_o &_o four_o figure_n of_o this_o eight_o table_n can_v be_v find_v natural_o in_o any_o place_n tab._n viii_o fig._n 1._o and_o fig._n 4._o there_o be_v also_o much_o variety_n of_o variation_n in_o one_o needle_n near_o two_o magnet_n or_o a_o magnet_n and_o magnetical_a body_n as_o place_v a_o needle_n on_o a_o little_a foot_n upon_o the_o terrella_n semiterrella_n or_o loadstone_n and_o it_o will_v direct_v itself_o right_o upon_o the_o meridian_n of_o the_o stone_n as_o have_v be_v prove_v before_o tab._n iii_o fig._n 9_o but_o if_o you_o hold_v a_o little_a piece_n of_o iron_n towards_o the_o point_n of_o the_o needle_n the_o point_n will_v fly_v from_o the_o iron_n and_o deflect_v from_o his_o meridian_n a_o little_a yet_o let_v this_o piece_n of_o iron_n touch_v the_o loadstone_n and_o be_v unite_v unto_o it_o and_o put_v it_o towards_o the_o needle_n a_o far_o off_o and_o the_o needle_n will_v turn_v from_o his_o meridian_n and_o decline_v and_o vary_v towards_o it_o the_o contrary_a be_v to_o be_v say_v if_o this_o iron_n be_v put_v towards_o the_o tail_n of_o the_o needle_n now_o take_v two_o long_a magnet_n that_o have_v their_o pole_n in_o the_o end_n and_o place_v a_o needle_n before_o the_o aequator_fw-la of_o one_o of_o they_o and_o it_o will_v apply_v parallel_n to_o the_o axis_fw-la then_o bring_v the_o other_o loadstone_n and_o place_v the_o end_n where_o the_o pole_n be_v against_o the_o aequator_fw-la of_o the_o first_o loadstone_n as_o ta._n viii_o fig._n 5._o and_o then_o the_o needle_n will_v vary_v his_o position_n and_o seat_n itself_o at_o right_a angle_n to_o the_o axis_fw-la of_o both_o magnet_n so_o also_o take_v two_o lodestone_n and_o let_v one_o of_o they_o have_v the_o pole_n in_o the_o midst_n and_o the_o other_o in_o the_o end_n and_o you_o shall_v behold_v much_o artificial_a variety_n of_o the_o application_n of_o one_o needle_n unto_o they_o place_v a_o needle_n before_o the_o midst_n of_o the_o loadstone_n that_o have_v his_o pole_n in_o the_o midst_n and_o it_o will_v behold_v the_o pole_n after_o lay_v down_o the_o other_o magnet_n that_o have_v his_o pole_n in_o the_o end_n and_o set_v his_o aequator_fw-la against_o the_o needle_n and_o it_o will_v vary_v his_o position_n and_o stand_v parallel_v to_o the_o aequator_fw-la of_o the_o former_a magnet_n who_o pole_n he_o behold_v before_o as_o table_n viii_o fig._n 6._o tab._n ix_o set_a a_o needle_n against_o the_o end_n of_o the_o loadstone_n that_o have_v his_o pole_n in_o the_o end_n and_o it_o will_v rest_v itself_o at_o right_a angle_n to_o the_o axis_fw-la then_o apply_v the_o second_o magnet_n to_o the_o needle_n that_o have_v his_o pole_n in_o the_o midst_n tab._n ix_o fig._n 2._o and_o the_o situation_n of_o the_o needle_n will_v be_v alter_v to_o be_v parallel_n to_o the_o axis_fw-la he_o behold_v at_o right_a angle_n at_o first_o place_v at_o the_o corner_n of_o that_o stone_n that_o have_v the_o pole_n b_o in_o the_o midst_n a_o needle_n and_o it_o will_v apply_v oblique_o then_o lay_v the_o end_n of_o the_o other_o loadstone_n that_o have_v the_o pole_n a_o in_o the_o end_n and_o the_o needle_n will_v apply_v at_o right_a angle_n to_o the_o axis_fw-la of_o both_o the_o stone_n as_o it_o be_v table_n ix_o figure_n 3._o but_o set_v a_o needle_n afore_o the_o end_n of_o the_o stone_n that_o have_v his_o pole_n b_o in_o the_o midst_n and_o set_v the_o end_n of_o the_o other_o magnet_n that_o have_v in_o the_o end_n the_o pole_n b_o of_o the_o same_o denomination_n as_o tab._n x._o fi._n 1._o and_o the_o needle_n will_v apply_v as_o be_v to_o be_v see_v in_o the_o type_n in_o a_o straight_a line_n to_o the_o last_o and_o parallel_v to_o the_o axis_fw-la of_o the_o first_o also_o apply_v the_o aequator_fw-la of_o this_o second_o stone_n that_o have_v the_o pole_n in_o the_o end_n unto_o the_o needle_n placed_z as_o afore_o unto_o the_o first_o stone_n table_n x._o figure_n 2._o and_o the_o needle_n will_v be_v parallel_n to_o both_o axis_fw-la let_v the_o needle_n stand_v against_o the_o corner_n of_o the_o first_o stone_n oblique_o and_o apply_v the_o end_n of_o the_o second_o stone_n with_o the_o pole_n in_o it_o tab._n x._o fig._n 3._o and_o the_o needle_n will_v apply_v as_o in_o the_o tab._n ix_o fig._n 3._o tab_n x_o chap._n xvi_o of_o preserve_v the_o virtue_n of_o magnet_n have_v treat_v of_o the_o part_n of_o the_o magnetical_a body_n of_o their_o motion_n and_o application_n now_o we_o will_v speak_v of_o his_o other_o natural_a virtue_n and_o property_n some_o have_v think_v it_o very_o convenient_a to_o keep_v the_o lodestone_n in_o file_n of_o steel_n and_o iron_n to_o preserve_v their_o virtue_n and_o vigour_n think_v that_o the_o magnet_n be_v feed_v or_o at_o least_o very_o much_o refresh_v with_o they_o because_o they_o will_v cleave_v so_o fast_o to_o the_o side_n near_o the_o pole_n but_o i_o do_v not_o allow_v this_o way_n so_o good_a to_o preserve_v they_o rather_o i_o like_v the_o keep_n of_o they_o in_o a_o bag_n or_o clout_n of_o woollin-cloth_n close_o from_o the_o injury_n of_o the_o heat_n and_o cold_a of_o the_o weather_n or_o in_o a_o case_n or_o box_n fit_a for_o they_o and_o it_o be_v very_o necessary_a to_o wipe_v they_o often_o from_o dust_n and_o grease_n and_o to_o have_v a_o care_n that_o they_o do_v not_o rust_v also_o it_o be_v very_o commodious_a and_o natural_a for_o they_o that_o they_o be_v lay_v up_o and_o place_v according_a to_o that_o natural_a situation_n the_o which_o they_o will_v affect_v and_o respect_n if_o they_o be_v carry_v in_o a_o place_n and_o fashion_v free_a from_o renitency_n and_o resistance_n in_o the_o air_n or_o water_n therefore_o they_o will_v be_v lay_v up_o or_o hang_v according_o as_o their_o pole_n and_o point_n do_v particular_o respect_v to_o the_o north_n and_o south_n which_o will_v comfort_v they_o exceed_o beside_o if_o the_o loadstone_n be_v sometime_o polish_v it_o will_v strengthen_v and_o relieve_v the_o body_n of_o the_o magnet_n very_o much_o if_o a_o weak_a magnet_n be_v rub_v at_o one_o of_o his_o pole_n with_o a_o strong_a loadstone_n he_o will_v be_v better_v by_o it_o in_o his_o vigour_n and_o virtue_n if_o not_o augment_v therein_o set_a a_o magnet_n of_o no_o force_n or_o strength_n