wiar_n and_o fit_v the_o needle_n so_o that_o it_o hang_v precise_o even_o upon_o this_o wiar_n instead_o of_o a_o axletree_n then_o touch_v he_o with_o the_o loadstone_n and_o you_o shall_v present_o see_v the_o end_n that_o shall_v point_v towards_o the_o north_n decline_v or_o bend_v down_o to_o his_o due_a place_n of_o declination_n if_o he_o be_v place_v in_o the_o magnetical_a meridian_n set_v a_o little_a piece_n of_o wax_n or_o any_o other_o thing_n upon_o the_o contrary_a part_n for_o a_o counterpoise_v that_o the_o needle_n may_v stand_v parallel_n with_o the_o horizon_n then_o if_o it_o stand_v at_o right_a angle_n with_o that_o verginall_a wiar_n it_o be_v certain_o in_o the_o magnetical_a meridian_n otherwise_o it_o will_v never_o stand_v at_o right_a angle_n but_o will_v make_v his_o sharp_a angle_n always_o towards_o the_o magnetical_a meridian_n so_o that_o hang_v in_o this_o counterpoise_n if_o you_o turn_v about_o the_o wiar_n until_o the_o needle_n do_v make_v 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all_o latitude_n by_o thrust_v it_o towards_o the_o centre_n in_o less_o latitude_n and_o towards_o the_o end_n in_o the_o great_a and_o i_o think_v it_o not_o impossible_a but_o that_o a_o skilful_a geometrician_n may_v so_o graduate_v the_o one_o half_a of_o such_o a_o needle_n that_o it_o alone_o with_o his_o counterpoise_v may_v be_v a_o mean_n to_o give_v a_o probable_a conjecture_n for_o the_o latitude_n of_o any_o place_n whatsoever_o chap._n viii_o a_o discovery_n of_o error_n commit_v in_o make_v and_o touch_v magnetical_a needle_n and_o wyar_n of_o sail_a compass_n with_o a_o advice_n for_o the_o true_a and_o right_o make_v and_o touch_v of_o they_o first_o the_o wyar_n that_o be_v common_o make_v both_o with_o we_o and_o in_o foreign_a country_n be_v of_o so_o base_a and_o drossy_a iron_n not_o apt_a nor_o sufficient_a to_o receive_v the_o ten_o part_n of_o the_o virtue_n that_o fine_a steel_n wyar_n can_v do_v second_o the_o end_n of_o the_o wiar_z be_v for_o the_o most_o 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without_o the_o cap_n by_o cap_v be_v mean_v the_o place_n of_o two_o piece_n of_o iron_n handsome_o fit_v and_o fasten_v upon_o the_o two_o point_n of_o the_o stone_n for_o iron_n for_o this_o purpose_n be_v better_a than_o steel_n and_o likewise_o concern_v the_o the_o weight_n that_o be_v to_o be_v lift_v up_o it_o be_v better_a to_o be_v make_v of_o soft_a iron_n then_o of_o steel_n and_o the_o stone_n will_v lift_v more_o thereof_o as_o long_o as_o there_o be_v contiguity_n but_o if_o if_o the_o iron_n and_o steel_n be_v separate_v from_o the_o contiguity_n of_o the_o stone_n the_o steel_n will_v always_o carry_v at_o the_o least_o ten_o time_n more_o virtue_n than_o the_o iron_n as_o be_v before_o mention_v now_o whether_o it_o be_v best_a to_o touch_v the_o wire_n with_o a_o magnet_n be_v thus_o cap_v or_o with_o the_o bare_a stone_n itself_o some_o there_o be_v that_o make_v a_o question_n i_o have_v be_v tell_v by_o one_o of_o great_a skill_n and_o practice_v that_o he_o 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to_o be_v sure_a of_o the_o great_a force_n and_o yet_o if_o any_o shall_v imagine_v the_o difference_n of_o the_o strength_n of_o the_o touch_n to_o be_v according_a to_o the_o take_v up_o of_o iron_n with_o the_o cap_n or_o without_o it_o he_o be_v very_o great_o deceive_v for_o i_o have_v osten_v try_v they_o both_o but_o never_o can_v see_v the_o touch_a strength_n in_o the_o needle_n to_o be_v increase_v half_o a_o quarter_n more_o with_o the_o cap_n then_o without_o it_o whereas_o i_o have_v always_o especial_o if_o the_o stone_n be_v very_o good_a find_v that_o the_o stone_n will_v lift_v at_o the_o least_o ten_o time_n as_o much_o iron_n yea_o a_o great_a deal_n more_o and_o sometime_o twenty_o time_n with_o the_o cap_n if_o it_o be_v artificial_o fit_v than_o he_o be_v able_a to_o do_v without_o it_o some_o who_o will_v seem_v to_o be_v of_o great_a skill_n have_v imagine_v that_o the_o best_a way_n to_o add_v strength_n to_o a_o needle_n be_v with_o a_o hammer_n to_o give_v some_o forcible_a stroke_n to_o one_o point_n of_o the_o stone_n thereby_o cause_v litragge_n as_o it_o be_v or_o beard_n to_o hang_v down_o from_o it_o &_o that_o the_o needle_n in_o his_o touch_v take_v some_o part_n of_o that_o with_o he_o shall_v have_v the_o strong_a touch_n but_o they_o that_o so_o suppose_v deceive_v themselves_o therein_o for_o that_o beard_n be_v nothing_o else_o but_o the_o fine_a dust_n of_o the_o stone_n hang_v together_o by_o virtue_n thereof_o which_o be_v separate_v from_o the_o stone_n although_o it_o be_v a_o right_n good_a one_o be_v not_o able_a any_o whit_n at_o all_o to_o turn_v a_o needle_n of_o itself_o the_o trial_n be_v soon_o make_v by_o this_o mean_n let_v they_o take_v of_o that_o beard_n
of_o the_o south_n of_o the_o one_o to_o the_o north_n of_o the_o other_o but_o the_o end_n in_o the_o one_o and_o the_o other_o will_v always_o fly_v from_o those_o of_o like_a denomination_n as_o the_o north_n end_n of_o the_o one_o from_o the_o north_n end_n of_o the_o other_o and_o the_o south_n end_n of_o the_o one_o from_o the_o south_n end_n of_o the_o other_o for_o as_o much_o then_o as_o all_o magnet_n themselves_o and_o all_o magnetical_a body_n be_v so_o place_v as_o they_o may_v have_v their_o free_a motion_n compose_v themselves_o magnetical_o towards_o the_o pole_n of_o the_o earth_n it_o must_v needs_o be_v that_o it_o be_v the_o true_a natural_a south_n end_n of_o the_o magnet_n or_o magnetical_a needle_n that_o point_v towards_o the_o north_n of_o the_o earth_n and_o it_o be_v the_o true_a natural_a north_n end_n of_o the_o magnet_n or_o magnetical_a needle_n that_o point_v towards_o the_o south_n of_o the_o earth_n because_o the_o contrary_a end_n do_v affect_v one_o a_o other_o and_o each_o of_o they_o do_v natural_o fly_v the_o one_o end_n of_o the_o one_o from_o that_o end_n of_o the_o other_o which_o be_v of_o like_a denomination_n unto_o itself_o for_o example_n in_o this_o follow_a diagram_n of_o the_o whole_a magnet_n e._n a_o be_v suppose_v to_o note_v the_o true_a natural_a north_n end_n thereof_o and_o b._n the_o south_n end_n this_o magnet_n be_v place_v in_o a_o wooden_a dish_n swim_v in_o water_n free_o must_v and_o will_v of_o magnetical_a necessity_n with_o his_o true_a north_n end_n a._n settle_v himself_o so_o that_o a._n must_v point_v towards_o the_o south_n of_o the_o earth_n and_o the_o south_n end_n b._n towards_o the_o north_n of_o the_o earth_n because_o all_o magnet_n and_o all_o magnetical_a body_n do_v natural_o affect_v the_o one_o the_o contrary_a end_n of_o the_o other_o and_o do_v avoid_v and_o fly_v from_o their_o end_n of_o like_a denomination_n now_o for_o a_o further_a consideration_n of_o these_o property_n suppose_v that_o you_o will_v cut_v of_o a_o piece_n of_o this_o magnet_n meridional_o viz._n c._n d_o manifest_a experience_n will_v show_v that_o c_o which_o do_v in_o nature_n participate_v with_o a._n in_o the_o entire_a magnet_n e_o as_o be_v both_o of_o the_o true_a north_n part_n thereof_o now_o be_v separate_v will_v not_o abide_v it_o in_o like_a manner_n d_o of_o the_o other_o end_n of_o the_o little_a one_o will_v not_o abide_v b_o of_o the_o great_a one_o with_o who_o be_v entire_a in_o nature_n he_o do_v participate_v as_o be_v both_o true_a southerly_a part_n of_o the_o entire_a magnet_n e_o and_o that_o because_o the_o end_n of_o like_a denomination_n of_o any_o two_o magnet_n do_v natural_o fly_v the_o one_o from_o the_o other_o chap._n iii_o certain_a general_a observation_n of_o the_o nature_n and_o property_n of_o the_o loadstone_n loadstone_n of_o diverse_a and_o sundry_a part_n of_o the_o world_n as_o of_o norway_n elva_n bengala_n etc._n etc._n have_v one_o and_o the_o selfsame_o property_n directive_a i_o mean_v of_o show_v the_o north_n and_o south_n and_o also_o the_o selfsame_o point_n respective_a decline_a or_o dip_v under_o the_o horizon_n they_o do_v likewise_o agree_v in_o their_o variation_n and_o each_o one_o will_v draw_v iron_n and_o likewise_o one_o another_o every_o loadstone_n of_o what_o form_n soever_o he_o be_v have_v either_o actual_o or_o potential_o two_o point_n the_o one_o northern_a the_o other_o southern_a actual_o if_o either_o by_o casualty_n if_o it_o so_o fall_v out_o or_o by_o industry_n the_o stone_n be_v so_o fashion_v that_o those_o two_o opposite_a point_n be_v eminent_a or_o perspicuous_a therein_o potential_o if_o that_o either_o the_o stone_n be_v flat_a and_o but_o thin_a in_o the_o dimension_n of_o north_n and_o south_n though_o broad_a otherwise_o for_o so_o shall_v the_o virtue_n of_o the_o stone_n be_v disperse_v to_o the_o extreme_a part_n thereof_o in_o the_o edge_n round_o about_o or_o if_o it_o have_v the_o two_o opposite_a point_n in_o any_o concavitie_n then_o will_v the_o stone_n show_v in_o the_o eminent_a border_n or_o edge_n of_o that_o concavitie_n only_o a_o confuse_a dull_a force_n and_o in_o the_o concavitie_n itself_o very_o little_a or_o nothing_o at_o all_o that_o stone_n be_v well_o proportion_v for_o touch_v which_o resemble_v a_o ouall_a form_n and_o have_v his_o due_a point_n in_o his_o end_n and_o be_v void_a of_o any_o bunch_n or_o concavitie_n for_o the_o general_a form_n of_o a_o stone_n be_v good_a every_o concavitie_n be_v a_o diminish_n of_o his_o force_n and_o every_o bunch_n be_v but_o a_o superfluous_a burden_n insomuch_o that_o myself_o have_v make_v experience_n of_o a_o stone_n that_o of_o substance_n be_v very_o good_a and_o of_o weight_n be_v upon_o a_o three_o and_o twenty_o ounce_n but_o of_o a_o disorder_a form_n i_o therefore_o take_v away_o twelve_o ounce_n from_o he_o and_o yet_o diminish_v not_o one_o jot_n of_o his_o force_n and_o this_o do_v i_o in_o a_o stone_n that_o be_v all_o of_o like_a substance_n but_o if_o it_o be_v one_o that_o be_v intermingle_v of_o diverse_a substance_n as_o many_o such_o there_o be_v and_o those_o easy_o discern_v by_o their_o colour_n you_o may_v sometime_o take_v away_o three_o quarter_n and_o more_o of_o his_o substance_n without_o diminish_v any_o thing_n at_o all_o of_o his_o virtue_n for_o colour_n most_o common_o the_o ironlike_a be_v best_a very_o black_a or_o whitish_a seldom_o prove_v good_a gray_a indifferent_a the_o more_o white_a in_o any_o stone_n so_o much_o the_o worse_o there_o be_v certain_a that_o be_v of_o a_o iron_n colour_n mingle_v with_o red_a of_o which_o some_o be_v very_o good_a some_o but_o indifferent_a by_o three_o way_n you_o may_v prove_v whether_o a_o magnet_n be_v good_a or_o not_o the_o one_o be_v by_o take_v up_o iron_n with_o the_o bare_a stone_n the_o other_o by_o give_v more_o or_o less_o virtue_n unto_o a_o knife_n or_o any_o such_o thing_n to_o lift_v iron_n the_o three_o if_o it_o will_v with_o good_a strength_n move_v a_o magnetical_a needle_n a_o pretty_a good_a distance_n of_o and_o ready_o alter_v the_o end_n of_o the_o needle_n without_o touch_v of_o they_o make_v the_o north_n south_n and_o the_o south_n north_n the_o two_o latter_a of_o these_o do_v never_o fail_v but_o the_o first_o do_v diverse_a time_n and_o very_o certain_a it_o be_v that_o whatsoever_o stone_n do_v most_o strong_o impart_v his_o force_n unto_o a_o knife_n or_o move_v a_o needle_n with_o quickness_n the_o power_n of_o lift_v up_o iron_n in_o such_o a_o one_o will_v mighty_o be_v increase_v with_o a_o cap._n for_o this_o be_v general_o the_o nature_n of_o all_o magnet_n that_o if_o there_o be_v 2._o of_o different_a quantity_n and_o equal_a strength_n in_o lift_v up_o iron_n the_o great_a will_v give_v the_o strong_a touch_n and_o move_v a_o magnetical_a needle_n far_o of_o although_o the_o lesser_a will_v take_v up_o as_o much_o iron_n or_o somewhat_o more_o than_o the_o great_a and_o again_o suppose_v there_o be_v a_o magnet_n of_o a_o pound_n weight_n that_o be_v fit_o arm_v will_v take_v up_o four_o pound_n of_o iron_n and_o not_o above_o if_o you_o divide_v he_o into_o very_o small_a piece_n you_o shall_v find_v of_o they_o be_v orderly_o use_v that_o will_v lift_v up_o 20_o time_n yea_o 40_o time_n his_o own_o weight_n and_o a_o great_a deal_n more_o if_o they_o be_v make_v very_o small_a as_o of_o three_o or_o four_o grain_n weight_n and_o yet_o where_o the_o great_a one_o will_v give_v a_o touch_n unto_o a_o knife_n for_o to_o take_v up_o four_o ounce_n of_o iron_n and_o will_v move_v a_o magnetical_a needle_n three_o foot_n of_o this_o little_a one_o will_v not_o give_v a_o touch_n unto_o a_o knife_n to_o take_v up_o a_o needle_n nor_o move_v a_o magnetical_a needle_n four_o inch_n of_o that_o as_o a_o magnet_n be_v diminish_v in_o substance_n i_o mean_v a_o magnet_n of_o a_o regular_a form_n so_o do_v he_o 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yet_o as_o true_o as_o that_o that_o end_n which_o cool_v towards_o the_o south_n will_v draw_v the_o true_a north_n end_n of_o the_o needle_n and_o that_o end_n which_o cool_v towards_o the_o north_n will_v draw_v the_o true_a south_n end_n of_o the_o needle_n if_o so_o be_v as_o yet_o you_o will_v have_v another_o infallible_a argument_n do_v thus_o mark_v what_o end_n draw_v the_o north_n end_n of_o the_o needle_n afterward_o put_v the_o new_a make_v magnet_n into_o the_o fire_n again_o and_o when_o it_o have_v be_v glow_v for_o the_o space_n of_o half_a a_o quarter_n of_o a_o hour_n take_v it_o out_o and_o cool_v it_o be_v place_v with_o that_o mark_a end_n towards_o the_o north_n most_o assure_o that_o end_n now_o will_v draw_v the_o south_n end_n of_o the_o needle_n &_o the_o north_n end_n of_o the_o needle_n will_v shun_v it_o which_o before_o approach_v unto_o it_o the_o reason_n here_o of_o be_v because_o the_o fire_n have_v abolish_v all_o the_o former_a magnetical_a 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as_o one_o and_o possible_o the_o worst_a will_v do_v more_o good_a alone_o where_o he_o may_v orderly_o and_o free_o use_v his_o own_o strength_n than_o he_o and_o all_o the_o many_o of_o they_o can_v do_v be_v join_v together_o in_o vicinity_n of_o body_n but_o extreme_o distract_v through_o contrariety_n of_o course_n the_o only_a way_n to_o perform_v such_o a_o matter_n if_o it_o be_v worth_a a_o do_v will_v be_v to_o prepare_v one_o mighty_a great_a loadstone_n of_o excellent_a goodness_n which_o have_v his_o due_a proportion_n after_o a_o extend_v oval_a form_n shall_v be_v sit_v with_o double_a cap_n and_o so_o place_v in_o the_o roof_n of_o a_o building_n that_o his_o axis_n be_v parallel_n to_o the_o horizon_n in_o this_o sort_n out_o of_o all_o doubt_n a_o fair_a large_a image_n may_v be_v hold_v up_o very_o strong_o by_o such_o a_o magnet_n let_v the_o stuff_n or_o substance_n thereof_o be_v whatsoever_o howbeit_o the_o light_a the_o better_o so_o that_o there_o be_v 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to_o proceed_v of_o notable_a fastness_n or_o closeness_n in_o the_o steel_n above_o the_o iron_n by_o mean_n whereof_o the_o magnetical_a virtue_n do_v long_a and_o more_o forcible_o continue_v in_o that_o then_o in_o this_o even_o as_o fire_v more_o mighty_o possess_v and_o for_o a_o great_a space_n abide_v in_o stone_n or_o any_o such_o firm_a or_o solid_a matter_n then_o in_o wood_n or_o straw_n or_o the_o like_a thin_a and_o hollow_a substance_n and_o therefore_o those_o compasse-maker_n that_o make_v the_o wire_n of_o their_o fly_n for_o sail_a compass_n of_o mere_a iron_n ought_v not_o by_o any_o mean_n to_o be_v suffer_v for_o to_o gain_v two_o penny_n in_o a_o compass_n and_o
to_o a_o mason_n trade_n they_o will_v have_v 40_o point_n twenty_o north_n and_o as_o many_o south_n and_o will_v work_v the_o like_a effect_n in_o draw_v iron_n as_o to_o use_v the_o former_a gross_a similitude_n if_o a_o team_n of_o horse_n be_v set_v in_o their_o trace_n contrary_a the_o one_o to_o the_o other_o the_o one_o to_o pull_v one_o way_n the_o other_o another_o as_o for_o the_o turk_n mahomet_n hang_v in_o the_o air_n with_o his_o iron_n chest_n it_o be_v a_o most_o gross_a untruth_n and_o utter_o impossible_a be_v it_o for_o any_o thing_n so_o to_o hang_v in_o the_o air_n by_o any_o magnetical_a power_n but_o that_o either_o it_o must_v touch_v the_o stone_n itself_o or_o else_o some_o intermediate_v body_n that_o hinder_v it_o from_o come_v to_o the_o stone_n like_a as_o before_o i_o have_v show_v or_o else_o some_o stay_v below_o to_o keep_v it_o from_o ascend_v as_o some_o small_a wire_n that_o may_v scant_o be_v see_v or_o perceive_v chap._n vii_o of_o the_o variation_n of_o the_o magnetical_a needle_n with_o the_o appurtenance_n thereunto_o belong_v the_o variation_n of_o the_o magnetical_a needle_n be_v apt_o fit_v and_o place_v upon_o his_o pin_n be_v nothing_o else_o but_o the_o swerve_a of_o the_o point_v thereof_o in_o the_o horizon_n from_o the_o meridian_n line_n there_o the_o portion_n of_o the_o horizon_n intercept_v between_o the_o true_a meridian_n line_n and_o this_o point_v show_v of_o what_o quantity_n the_o variation_n be_v and_o give_v it_o his_o name_n to_o wit_n which_o way_n it_o lie_v either_o easterly_a or_o westerly_n and_o it_o be_v observe_v by_o either_o end_n of_o the_o needle_n as_o you_o please_v in_o time_n past_o man_n observe_v only_o by_o the_o north_n end_n of_o the_o needle_n because_o they_o understand_v not_o that_o the_o loadstone_n have_v a_o south_n virtue_n as_o well_o as_o a_o north_n and_o therefore_o do_v touch_v their_o needle_n and_o wyar_n of_o their_o compass_n always_o for_o the_o north_n only_o leave_v those_o end_n of_o the_o wyar_n bare_a that_o they_o may_v be_v refresh_v with_o a_o new_a touch_n at_o any_o time_n afterward_o but_o the_o other_o end_v they_o cover_v not_o know_v that_o they_o be_v also_o apt_a to_o receive_v as_o forcible_a a_o virtue_n from_o the_o loadstone_n for_o the_o south_n as_o the_o other_o for_o the_o north._n for_o the_o right_a understanding_n of_o the_o variation_n with_o his_o necessary_a dependent_n we_o must_v use_v the_o mean_n of_o two_o circle_n the_o one_o of_o they_o i_o will_v call_v the_o magnetical_a almicanter_n the_o other_o be_v already_o know_v by_o the_o name_n of_o the_o magnetical_a meridian_n this_o magnetical_a almicanter_n be_v a_o circle_n parallel_n unto_o the_o horizon_n who_o centre_n be_v the_o vertical_a point_n and_o be_v describe_v by_o the_o distance_n between_o the_o vertical_a point_n and_o the_o near_a pole_n of_o the_o earth_n the_o true_a magnetical_a pole_n be_v the_o pole_n of_o the_o earth_n the_o magnetical_a respective_a pole_n or_o which_o be_v all_o one_o the_o pole_n of_o the_o magnetical_a meridian_n be_v a_o point_n in_o the_o magnetical_a almicanter_n distant_a easterly_n or_o westerly_a from_o the_o true_a pole_n as_o many_o degree_n in_o that_o almicanter_n as_o the_o variation_n of_o that_o place_n contain_v in_o the_o horizon_n but_o always_o it_o be_v in_o the_o contrary_a part_n of_o the_o true_a meridian_n that_o be_v if_o the_o variation_n of_o the_o south_n point_n of_o the_o needle_n be_v easterly_a the_o respective_a pole_n be_v westerly_a but_o if_o you_o observe_v with_o the_o north_n end_n of_o the_o needle_n the_o respective_a pole_n and_o the_o variation_n be_v both_o one_o way_n in_o all_o our_o northern_a climate_n if_o the_o variation_n of_o the_o south_n point_n of_o the_o needle_n be_v westerly_a then_o be_v the_o respective_a pole_n so_o many_o degree_n in_o the_o say_a almicanter_n easterly_n and_o therefore_o always_o of_o the_o same_o height_n with_o the_o true_a pole_n above_o the_o horizon_n for_o since_o all_o great_a circle_n of_o the_o globe_n do_v necessary_o cut_v one_o another_o in_o two_o point_n into_o two_o equal_a part_n these_o two_o therefore_o must_v needs_o do_v even_o so_o in_o the_o zenith_n and_o nadir_n by_o their_o very_a definition_n so_o that_o these_o two_o point_n the_o zenith_n and_o nadir_n be_v always_o alike_o common_a unto_o they_o both_o aswell_o unto_o the_o true_a as_o unto_o the_o magnetical_a meridian_n where-hence_a it_o follow_v necessary_o that_o always_o the_o one_o half_a of_o the_o magnetical_a meridian_n be_v on_o the_o east-side_n and_o the_o other_o on_o the_o west_n side_n of_o the_o true_a meridian_n the_o common_a zenith_n and_o nadir_n evermore_o keep_v their_o equal_a distance_n from_o the_o pole_n of_o the_o one_o of_o they_o as_o they_o do_v from_o the_o other_o for_o example_n suppose_v the_o common_a zenith_n to_o be_v in_o the_o aequator_fw-la you_o sail_a east_n or_o west_n as_o long_o as_o there_o be_v no_o variation_n there_o be_v no_o magnetical_a meridian_n there_o be_v no_o magnetical_a pole_n but_o those_o of_o the_o world_n but_o as_o soon_o as_o sail_v still_o under_o the_o line_n you_o do_v find_v a_o variation_n it_o be_v the_o magnetical_a meridian_n that_o by_o his_o swerve_v from_o the_o true_a meridian_n of_o the_o world_n in_o the_o horizon_n show_v the_o quantity_n of_o the_o variation_n and_o give_v it_o also_o the_o denomination_n of_o easterly_n or_o westerly_n and_o his_o axis_fw-la be_v the_o line_n of_o variation_n but_o suppose_v the_o common_a zenith_n to_o be_v in_o any_o parallel_n between_o the_o aequator_fw-la and_o the_o pole_n then_o be_v it_o not_o the_o axis_fw-la but_o some_o other_o diameter_n of_o the_o magnetical_a meridian_n which_o show_v the_o variation_n in_o the_o horizon_n and_o the_o magnetical_a meridian_n evermore_o cut_v just_a so_o many_o degree_n of_o the_o magnetical_a almicanter_n on_o the_o one_o side_n of_o the_o true_a meridian_n as_o the_o same_o magnetical_a pole_n be_v distant_a in_o the_o same_o almicanter_n on_o the_o other_o side_n of_o the_o true_a meridian_n from_o the_o pole_n of_o the_o world_n and_o this_o be_v to_o be_v understand_v in_o correspondent_a manner_n as_o well_o of_o the_o south_n hemisphere_n as_o of_o the_o north._n the_o respective_a magnetical_a meridian_n where_o any_o variation_n be_v be_v a_o circle_n that_o pass_v by_o the_o vertical_a point_n and_o the_o nadir_n and_o both_o the_o respective_a pole_n cross_v the_o horizon_n at_o right_a angle_n in_o the_o point_n of_o variation_n of_o which_o circle_n the_o line_n of_o variation_n be_v a_o diameter_n but_o where_o there_o be_v no_o variation_n the_o true_a and_o magnetical_a meridian_n be_v both_o one_o &_o the_o self_n same_o and_o so_o in_o like_a manner_n be_v their_o diameter_n those_o circle_n and_o pole_n be_v term_v respective_a because_o that_o in_o every_o place_n where_o any_o variation_n be_v the_o magnetical_a needle_n do_v respect_v they_o as_o well_o in_o the_o property_n of_o direction_n as_o in_o that_o of_o declination_n or_o inclination_n for_o thus_o also_o very_o well_o it_o may_v be_v term_v by_o the_o property_n of_o direction_n i_o do_v mean_a with_o doctor_n gilbert_n the_o horizontall_a motion_n of_o the_o magnetical_a needle_n by_o the_o declination_n or_o inclination_n i_o mean_v the_o descend_v and_o as_o it_o be_v the_o sink_a motion_n of_o the_o need_n under_o the_o horizon_n in_o his_o proper_a azimath_n or_o magnetical_a meridian_n but_o if_o there_o be_v no_o variation_n the_o needle_n always_o point_v unto_o the_o true_a meridian_n of_o the_o earth_n and_o towards_o the_o pole_n thereof_o in_o both_o those_o property_n the_o true_a pole_n of_o the_o earth_n which_o be_v those_o two_o point_n equal_o distant_a from_o each_o part_n of_o the_o aequinoctial_a of_o the_o earth_n be_v always_o the_o self_n same_o the_o respective_a pole_n alter_v with_o every_o horizon_n where_o there_o be_v any_o variation_n but_o never_o out_o of_o the_o aforenamed_a almicanter_n of_o that_o place_n the_o cause_n of_o the_o difference_n of_o the_o respective_a pole_n and_o meridian_n from_o the_o true_a pole_n and_o meridians_fw-la and_o so_o of_o all_o variation_n be_v only_o two_o the_o chief_a and_o most_o general_a be_v the_o vastenesse_n of_o the_o ocean_n sea_n by_o moistness_n whereof_o the_o magnetical_a collateral_a force_n of_o so_o much_o earth_n as_o it_o cover_v be_v much_o hinder_v and_o dull_v and_o by_o that_o mean_v the_o next_o great_a continent_n have_v more_o power_n over_o the_o correspondent_a end_n of_o the_o magnetical_a needle_n then_o otherwise_o it_o can_v have_v if_o all_o be_v alike_o one_o entire_a continent_n and_o therefore_o cause_v the_o directive_a property_n of_o the_o needle_n somewhat_o to_o swerve_v towards_o that_o way_n
from_o the_o stone_n with_o a_o stick_n and_o lay_v it_o upon_o the_o end_n of_o a_o needle_n not_o touch_v and_o they_o shall_v find_v in_o it_o no_o force_n at_o all_o nay_o it_o be_v a_o hurt_n unto_o the_o needle_n for_o it_o give_v a_o superfluous_a burden_n for_o a_o small_a time_n and_o can_v but_o encumber_v his_o action_n by_o reason_n that_o every_o one_o of_o those_o little_a parcel_n of_o dust_n though_o beat_v out_o at_o one_o end_n have_v also_o for_o his_o small_a quantity_n both_o a_o north_n and_o south_n virtue_n and_o therefore_o mar_v as_o much_o as_o it_o make_v at_o either_o end_n of_o the_o needle_n the_o proof_n hereof_o be_v manifest_a if_o you_o put_v off_o that_o dust_n or_o beard_n upon_o a_o paper_n and_o hold_v a_o magnet_n therunder_n for_o as_o you_o turn_v towards_o the_o paper_n the_o north_n or_o south_n of_o the_o stone_n so_o will_v every_o one_o of_o those_o particle_n in_o like_a sort_n turn_v itself_o show_v thereby_o a_o double_a nature_n chap._n x._o of_o the_o fashion_v of_o the_o compass_n needle_n the_o compass_n needle_n be_v the_o most_o admirable_a and_o useful_a instrument_n of_o the_o whole_a world_n be_v both_o among_o we_o and_o other_o nation_n for_o the_o most_o part_n so_o bunger_o and_o absurd_o contrive_v as_o nothing_o more_o and_o therefore_o entreat_v now_o of_o the_o nature_n and_o use_n of_o the_o magnet_n i_o have_v think_v good_a also_o to_o employ_v my_o best_a endeavour_n to_o advance_v this_o noblle_fw-fr instrument_n towards_o his_o high_a perfection_n be_v the_o principal_a thing_n by_o which_o the_o worthy_a effect_n of_o the_o magnet_n be_v make_v most_o profitable_a unto_o mankind_n herein_o five_o thing_n be_v to_o be_v consider_v the_o substance_n that_o it_o be_v make_v of_o the_o form_n the_o weight_n the_o capitell_a and_o the_o pin_n it_o stand_v upon_o the_o substance_n in_o any_o wise_a aught_o to_o be_v pure_a steel_n and_o not_o iron_n for_o most_o assure_o steel_n will_v take_v at_o the_o least_o ten_o time_n more_o virtue_n than_o iron_n can_v do_v but_o especial_o if_o it_o have_v his_o right_a temper_n and_o that_o be_v this_o heat_v it_o in_o the_o fire_n until_o it_o be_v pass_v red_a hot_a that_o it_o be_v whitish_a hot_a and_o qnench_v it_o in_o cold_a water_n sudden_o so_o be_v it_o brickle_z in_o a_o manner_n as_o glass_n itself_o and_o be_v at_o that_o time_n incapable_a of_o the_o virtue_n of_o the_o loadstone_n then_o must_v you_o lay_v it_o upon_o a_o plain_a table_n wary_o rub_v with_o fine_a sand_n all_o the_o black_a colour_n from_o it_o if_o before_o you_o put_v it_o into_o the_o fire_n you_o anoint_v it_o with_o soap_n it_o will_v scale_v white_a of_o itself_o than_o heat_n a_o bar_n of_o iron_n well_o near_o red_a hot_a and_o hold_v one_o end_n of_o the_o needle_n with_o a_o small_a pair_n of_o tong_n lay_v the_o other_o end_n upon_o the_o hot_a bar_n and_o present_o you_o shall_v see_v that_o end_n turn_v from_o white_a to_o a_o yellowish_a and_o after_o to_o a_o bluish_a colour_n then_o take_v that_o end_n with_o your_o tong_n and_o do_v thlike_a unto_o the_o other_o thrusting_z it_z forward_z upon_o the_o bar_n until_o the_o colour_n of_o the_o whole_a needle_n become_v bluish_a then_o throw_v it_o on_o a_o table_n and_o let_v cool_a of_o itself_o and_o so_o be_v he_o of_o the_o excellent_a temper_n and_o most_o capable_a to_o receive_v the_o great_a power_n from_o the_o magnet_n if_o this_o seem_v too_o curious_a especial_o for_o some_o fashion_n of_o needle_n then_o use_v but_o the_o hammer_n harden_v as_o workman_n call_v it_o which_o be_v well_o near_o as_o good_a as_o concern_v the_o form_n diverse_a man_n be_v of_o diverse_a mind_n some_o use_n a_o kind_n of_o square_a one_o other_o a_o loop_n i_o mean_v a_o extend_a oval_a form_n and_o this_o be_v most_o common_a but_o now_o a_o day_n a_o narrow_a straight_a place_n be_v somewhat_o broad_a in_o the_o middle_a be_v in_o great_a request_n of_o these_o three_o i_o hold_v the_o loop_n or_o oval_a form_n if_o it_o be_v well_o make_v to_o be_v the_o best_a which_o be_v that_o if_o it_o be_v of_o steel_n his_o end_n be_v wield_v together_o have_v a_o latin_n narrow_a plate_n issue_v from_o the_o capitell_a unto_o the_o middle_n of_o the_o two_o side_n of_o the_o loope_n and_o there_o rivet_v and_o rivet_v if_o it_o be_v handsome_o shoulder_v in_o by_o the_o workman_n be_v better_a than_o soader_v because_o have_v fit_v the_o lattin_a plate_n bear_v the_o capitell_a unto_o the_o loope_n you_o may_v first_o put_v your_o loope_n into_o his_o temper_n and_o then_o rivet_v this_o unto_o he_o afterward_o which_o otherwise_o will_v be_v mar_v in_o the_o fire_n and_o the_o wide_a loope_n be_v better_a than_o the_o narrow_a or_o the_o straight_a plate_n and_o that_o for_o two_o reason_n the_o one_o be_v hecause_fw-mi as_o in_o a_o magnet_n itself_o the_o force_n that_o be_v in_o the_o whole_a body_n show_v itself_o most_o strong_o in_o his_o two_o pole_n even_o so_o this_o be_v a_o magnetical_a body_n do_v the_o like_a in_o his_o end_n which_o be_v his_o pole_n and_o the_o side_n of_o a_o wide_a compass_a loope_n be_v long_a then_o of_o a_o narrow_a of_o the_o same_o length_n in_o the_o axis_n must_v needs_o contain_v so_o much_o the_o more_o virtue_n the_o other_o reason_n be_v because_o it_o suppose_v the_o fly_n in_o his_o circular_a motion_n more_o equal_o balance_v then_o the_o other_o and_o therefore_o be_v it_o not_o for_o some_o other_o inconvenience_n a_o true_a circle_n be_v best_a of_o all_o which_o be_v that_o except_o you_o mark_v the_o two_o place_n that_o you_o will_v have_v for_o the_o north_n and_o souch_n very_o curious_o you_o shall_v never_o give_v he_o the_o right_a touch_n yea_o very_o exceed_v hardly_o although_o you_o do_v mark_v they_o and_o also_o the_o lattin_a stay_n that_o hold_v the_o capitell_a will_v be_v exceed_o long_o and_o a_o superfluous_a burden_n but_o the_o very_o best_a form_n of_o 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