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extreme_a heavy_a and_o see_v a_o small_a part_n of_o it_o which_o be_v polish_v and_o have_v a_o very_a fine_a gloss_n and_o think_v it_o a_o substance_n between_o stone_n and_o metal_n but_o near_o to_o stone_n i_o have_v see_v also_o a_o kind_n of_o slate_n paint_v natural_o with_o forest-work_n and_o i_o have_v see_v in_o the_o hand_n of_o a_o chemist_n of_o my_o acquaintance_n at_o paris_n a_o break_a glass_n part_n of_o a_o retort_n in_o which_o have_v be_v the_o rozin_n of_o turpentine_n wherein_o though_o there_o be_v leave_v no_o rozin_n yet_o there_o appear_v in_o the_o piece_n of_o glass_n many_o tree_n and_o plant_n in_o the_o ground_n about_o they_o such_o as_o grow_v in_o wood_n and_o better_o design_v than_o they_o can_v be_v do_v by_o any_o painter_n and_o continue_v so_o for_o a_o long_a time_n these_o be_v great_a wonder_n of_o nature_n but_o i_o will_v not_o undertake_v to_o show_v their_o cause_n but_o yet_o this_o be_v most_o certain_a that_o nothing_o can_v make_v a_o hard_a body_n of_o a_o soft_a but_o by_o some_o motion_n of_o its_o part_n for_o the_o part_n of_o the_o hard_a body_n in_o the_o world_n can_v be_v no_o close_o together_o than_o to_o touch_v and_o so_o close_o be_v the_o part_n of_o air_n and_o water_n and_o consequent_o they_o shall_v be_v equal_o hard_a if_o their_o small_a part_n have_v not_o different_a natural_a motion_n therefore_o if_o you_o ask_v i_o the_o cause_n of_o these_o effect_n i_o answer_v they_o be_v different_a motion_n but_o if_o you_o expect_v from_o i_o how_o and_o by_o what_o motion_n i_o shall_v fail_v you_o for_o there_o be_v no_o kind_n of_o substance_n in_o the_o world_n now_o that_o be_v not_o at_o the_o first_o creation_n when_o the_o creator_n give_v to_o all_o thing_n what_o natural_a and_o special_a motion_n he_o think_v good_a and_o as_o he_o make_v some_o body_n wondrous_a great_a so_o he_o make_v other_o wondrous_a little_a for_o all_o his_o work_n be_v wondrous_a man_n can_v but_o guess_v nor_o guess_v further_o than_o he_o have_v knowledge_n of_o the_o variety_n of_o motion_n i_o be_o therefore_o of_o opinion_n that_o whatsoever_o perfect_o homogeneous_a be_v hard_a consist_v of_o the_o small_a part_n or_o as_o some_o call_v they_o atom_n that_o be_v make_v hard_o in_o the_o beginning_n and_o consequent_o by_o a_o eternal_a cause_n and_o that_o the_o hardness_n of_o the_o whole_a body_n be_v cause_v only_o by_o the_o contact_n of_o the_o part_n by_o pressure_n a._n what_o motion_n be_v it_o that_o make_v a_o hard_a body_n to_o melt_v b._n the_o same_o compound_a motion_n that_o heat_n namely_o that_o of_o fire_n if_o it_o be_v strong_a enough_o for_o all_o motion_n compound_v be_v a_o endeavour_n to_o dissipate_v as_o i_o have_v say_v before_o the_o part_n of_o the_o body_n to_o be_v move_v by_o it_o if_o therefore_o hardness_n consist_v only_o in_o the_o press_a contact_n of_o the_o least_o part_n this_o motion_n will_v make_v the_o same_o part_n slide_v off_o from_o one_o another_o and_o the_o whole_a to_o take_v such_o a_o figure_n as_o the_o weight_n of_o the_o part_n shall_v dispose_v they_o to_o as_o in_o lead_n iron_n gold_n and_o other_o thing_n melt_v with_o heat_n but_o if_o the_o small_a part_n have_v such_o figure_n as_o they_o can_v exact_o touch_v but_o must_v leave_v space_n between_o they_o fill_v with_o air_n or_o other_o fluid_n than_o this_o motion_n of_o the_o fire_n will_v dissipate_v those_o part_n some_o one_o way_n some_o another_o the_o hard_a part_n still_o hard_o as_o in_o the_o burn_a of_o wood_n or_o stone_n into_o ash_n or_o lime_n for_o this_o motion_n
ask_v concern_v gravity_n if_o gravity_n be_v as_o some_o define_v it_o a_o intrinsical_a quality_n whereby_o a_o body_n descend_v towards_o the_o centre_n of_o the_o earth_n how_o be_v it_o possible_a that_o a_o piece_n of_o iron_n that_o have_v this_o intrinsical_v quality_n shall_v rise_v from_o the_o earth_n to_o go_v to_o a_o loadstone_n have_v it_o also_o a_o intrinsical_a quality_n to_o go_v from_o the_o earth_n it_o can_v be_v the_o cause_n therefore_o must_v be_v extrinsical_a and_o because_o when_o they_o be_v come_v together_o in_o the_o air_n if_o you_o leave_v they_o to_o their_o own_o nature_n they_o will_v fall_v down_o together_o they_o must_v also_o have_v some_o like_v extrinsical_a cause_n and_o so_o this_o magnetic_a virtue_n will_v be_v such_o another_o virtue_n as_o make_v all_o other_o heavy_a body_n to_o descend_v in_o this_o our_o world_n to_o the_o earth_n if_o therefore_o you_o can_v from_o this_o your_o hypothesis_n of_o compound_a motion_n by_o which_o you_o have_v so_o probable_o salve_v the_o problem_n of_o gravity_n salve_n also_o this_o of_o the_o loadstone_n i_o shall_v acknowledge_v both_o your_o hypothesis_n to_o be_v true_a and_o your_o conclusion_n to_o be_v well_o deduce_v b._n i_o think_v it_o not_o impossible_a but_o i_o will_v proceed_v no_o further_o in_o it_o now_o than_o for_o the_o facilitate_v of_o the_o demonstration_n to_o tell_v you_o the_o several_a propriety_n of_o the_o magnet_n whereof_o i_o be_o to_o show_v the_o cause_n as_o first_o that_o iron_n and_o no_o other_o body_n at_o some_o little_a distance_n though_o heavy_a will_v rise_v to_o it_o second_o that_o if_o it_o be_v lay_v upon_o a_o still_a water_n in_o a_o float_a vessel_n and_o leave_v to_o itself_o it_o will_v turn_v itself_o till_o it_o lie_v in_o a_o meridian_n that_o be_v to_o say_v with_o one_o and_o the_o same_o line_n still_o north_n and_o south_n three_o if_o you_o take_v a_o long_a slender_a piece_n of_o iron_n and_o apply_v the_o loadstone_n to_o it_o and_o according_a to_o the_o position_n of_o the_o pole_n of_o the_o loadstone_n draw_v it_o over_o to_o the_o end_n of_o the_o iron_n the_o iron_n will_v have_v the_o same_o pole_n with_o the_o magnet_n so_o it_o be_v draw_v with_o some_o pressure_n but_o the_o pole_n will_v lie_v in_o a_o contrary_a position_n and_o also_o this_o long_a iron_n will_v draw_v other_o iron_n to_o it_o as_o the_o magnet_n do_v four_o this_o long_a iron_n if_o it_o be_v so_o small_a as_o that_o poise_v upon_o a_o pin_n the_o weight_n of_o it_o have_v no_o visible_a effect_n the_o navigator_n use_v it_o for_o the_o needle_n of_o their_o compass_n because_o it_o point_v north_n and_o south_n save_v that_o in_o most_o place_n by_o particular_a accident_n it_o be_v divert_v which_o diversion_n be_v call_v the_o variation_n of_o the_o horizontal_n needle_n five_o the_o same_o needle_n place_v in_o a_o plain_a perpendicular_a to_o the_o horizon_n have_v another_o motion_n call_v the_o inclination_n which_o that_o you_o may_v the_o better_o conceive_v draw_v a_o four_o 4._o figure_n wherein_o let_v there_o be_v a_o circle_n to_o represent_v the_o terrella_n that_o be_v to_o say_v a_o spherical_a magnet_n a._n let_v this_o be_v it_o who_o centre_n be_v a_o the_o north_n pole_n b_o the_o south_n pole_n c._n b._n join_v b_o c_o and_o cross_v it_o at_o right_a angle_n with_o the_o diameter_n d_o e._n a._n it_o be_v do_v b._n upon_o the_o point_n d_o set_v the_o needle_n parallel_v to_o b_o c_o with_o the_o cross_n for_o the_o south_n pole_n and_o the_o barb_n for_o the_o north_n and_o describe_v a_o square_a about_o the_o circle_n b_o d_o c_o e_o and_o divide_v the_o arch_n d_o b_o into_o four_z equal_a part_n in_o a_o b_o c._n a._n it_o be_v do_v b._n then_o place_v the_o middle_n of_o the_o needle_n on_o the_o point_v a_o b_o c_o so_fw-mi that_o they_o may_v free_o turn_v and_o set_v the_o barb_n which_o be_v at_o d_o towards_o the_o north_n and_o that_o which_o be_v at_o c_o towards_o the_o south_n you_o see_v plain_o by_o this_o that_o the_o angle_n of_o inclination_n through_o the_o arch_n d_o c_o take_v all_o together_o be_v double_a to_o a_o right_a angle_n for_o when_o the_o south_n point_n of_o the_o needle_n look_v north_n as_o at_o d_o come_v to_o look_v south_n as_o at_o c_o it_o must_v make_v half_o a_o circle_n a._n that_o be_v true_a and_o if_o you_o draw_v the_o sine_fw-la of_o the_o arch_n d_o a_o which_o be_v d_o a_o and_o the_o sine_fw-la of_o the_o arch_n b_o a_o which_o be_v a_o c_o and_o the_o sine_fw-la of_o the_o arch_n d_o b_o which_o be_v b_o f_z and_o the_o sine_fw-la of_o the_o arch_n b_o c_o which_o be_v c_o g_o the_o needle_n will_v lie_v upon_o b_o f_z with_o the_o north-point_n downward_o so_o that_o the_o needle_n will_v be_v parallel_n to_o a_o d._n then_o from_o a_o draw_v the_o line_n a_o h_z make_v the_o angle_n e_o a_o h_o equal_a to_o the_o angle_n d_o a_o a._n and_o then_o the_o needle_n at_o a_o shall_v lie_v in_o the_o line_n a_o h_z with_o the_o south_n point_n towards_o h._n final_o draw_v the_o line_n c_o h_o which_o with_o c_o g_o will_v also_o make_v a_o quarter_n of_o a_o right_a angle_n and_o therefore_o if_o the_o needle_n be_v place_v on_o the_o point_n c_o it_o will_v lie_v in_o c_o h_z with_o the_o south_n point_n towards_o h._n and_o thus_o you_o see_v by_o what_o degree_n the_o needle_n incline_v or_o dip_v under_o the_o horizon_n more_o and_o more_o from_o d_o till_o it_o come_v to_o the_o north_n pole_n at_o b_o where_o it_o will_v lie_v parallel_n to_o the_o needle_n in_o d_o but_o with_o their_o barb_n look_v contrary_a way_n and_o this_o be_v certain_a by_o experience_n and_o by_o none_o contradict_v b._n you_o see_v then_o why_o the_o degree_n of_o the_o inclinatory_a needle_n in_o come_v from_o d_o to_z b_o be_v double_a to_o the_o degree_n of_o a_o quadrant_n it_o be_v find_v also_o by_o experience_n that_o iron_n both_o of_o the_o mine_n and_o of_o the_o furnace_n put_v into_o a_o vessel_n so_o as_o to_o float_v will_v lay_v itself_o if_o some_o accident_n in_o the_o earth_n hinder_v it_o not_o exact_o north_n and_o south_n and_o now_o i_o be_o from_o this_o compound_a motion_n suppose_v by_o copernicus_n to_o derive_v the_o cause_n why_o a_o loadstone_n draw_v iron_n why_o it_o make_v iron_n to_o do_v the_o same_o why_o natural_o it_o place_v itself_o in_o a_o parallel_n to_o the_o axis_n of_o the_o earth_n why_o by_o pass_v it_o over_o the_o needle_n it_o change_v its_o pole_n and_o what_o be_v the_o cause_n that_o it_o incline_v but_o it_o be_v your_o part_n to_o remember_v what_o i_o tell_v you_o of_o motion_n at_o our_o second_o meeting_n and_o what_o i_o tell_v you_o of_o this_o compound_a motion_n suppose_v by_o copernicus_n at_o our_o four_o meeting_n cap._n ix_o of_o the_o loadstone_n and_o its_o pole_n and_o whether_o they_o show_v the_o longitude_n of_o place_n on_o the_o earth_n a._n i_o come_v now_o to_o hear_v what_o natural_a cause_n you_o can_v assign_v of_o the_o virtue_n of_o the_o magnet_n and_o first_o why_o it_o draw_v iron_n to_o it_o and_o only_a iron_n b._n you_o know_v i_o have_v no_o other_o cause_n to_o assign_v but_o some_o local_a motion_n and_o that_o i_o never_o approve_v of_o any_o argument_n draw_v from_o sympathy_n influence_n substantial_a form_n or_o incorporeal_a effluvia_fw-la for_o i_o be_o not_o nor_o be_o account_v by_o my_o antagonist_n for_o a_o witch_n but_o to_o answer_v this_o question_n i_o shall_v describe_v the_o globe_n of_o the_o earth_n great_a than_o it_o be_v at_o b_o in_o the_o first_o figure_n but_o that_o the_o terrella_n in_o the_o four_o figure_n will_v serve_v our_o turn_n for_o it_o be_v but_o call_v b_o and_o c_o the_o pole_n of_o the_o earth_n and_o d_o e_o the_o diameter_n of_o the_o aequinoctial_a circle_n and_o make_v d_o the_o east_n and_o e_o the_o west_n and_o then_o you_o must_v remember_v that_o the_o annual_a motion_n of_o the_o earth_n be_v from_o west_n to_o east_n and_o compound_v of_o a_o straight_a and_o circular_a motion_n so_o as_o that_o every_o point_n of_o it_o shall_v describe_v a_o small_a circle_n from_o west_n to_o east_n as_o be_v do_v by_o the_o whole_a globe_n and_o let_v the_o circle_n about_o a_o b_o c_o be_v three_o of_o those_o small_a circle_n a._n before_o you_o go_v any_o further_a i_o pray_v you_o show_v i_o how_o i_o must_v distinguish_v east_n and_o west_n in_o every_o part_n of_o this_o figure_n for_o wheresoever_o i_o be_o on_o earth_n suppose_v at_o london_n and_o see_v the_o sun_n rise_v suppose_v in_o cancer_n be_v not_o a_o