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Word A Word B Word C Word D Occurrence Frequency Band MI MI Band Prominent
cause_n good_a great_a true_a 2,848 5 3.8360 3 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A10774 A short treatise of magneticall bodies and motions. By Marke Ridley Dr in phisicke and philosophie latly physition to the Emperour of Russia, and one of ye eight principals of elects of the Colledge of Physitions in London Ridley, Mark, 1560-1624. 1613 (1613) STC 21045; ESTC S101594 73,723 145

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without_o many_o turn_n to_o and_o fro_o so_o that_o near_o the_o pole_n the_o direction_n be_v very_o strong_a neither_o by_o level_v hinder_v always_o and_o in_o all_o place_n the_o lily_n of_o the_o compass_n or_o cross_v of_o the_o directory-needle_n stand_v and_o be_v seat_v into_o the_o north_n both_o in_o this_o north_n side_n and_o on_o the_o other_o south_n side_n of_o the_o equinoctial_a line_n or_o circle_n of_o the_o earth_n tab._n iii_o fig._n 9_o tab._n xii_o fig._n 13._o contrary_a to_o the_o syte_n of_o the_o needle_n near_o the_o terrella_n or_o semiterrella_n because_o they_o be_v touch_v and_o excite_v at_o that_o point_n of_o the_o load_n stone_n that_o in_o his_o boat_n rest_v south_n and_o be_v set_v at_o liberty_n from_o the_o loadstone_n by_o the_o earth_n be_v turn_v north_n as_o the_o point_n touch_v at_o the_o north-pole_n of_o the_o adamant_n be_v turn_v south_n neither_o need_v there_o here_o any_o conversion_n of_o the_o compass_n in_o sail_v and_o go_v from_o one_o province_n of_o the_o aequator_fw-la to_o the_o other_o as_o the_o needle_n idoth_a towards_o the_o magnet_n be_v masculine_a and_o the_o needle_n of_o iron_n or_o steel_n feminine_a but_o the_o needle_n to_o the_o earth_n be_v perfect_a magnetical_a body_n and_o do_v keep_v their_o correspondency_n with_o the_o earth_n as_o if_o they_o be_v magnet_n stone_n or_o diameter_n of_o little_a earth_n therefore_o the_o needle_n and_o compass_n pass_v from_o one_o side_n of_o the_o aequator_fw-la to_o the_o other_o in_o a_o meridian_n and_o great_a circle_n proceed_v on_o still_o in_o a_o right_a line_n uniform_o only_o the_o point_n of_o the_o needle_n and_o compass_n do_v take_v their_o turn_n to_o be_v predominant_a in_o their_o direction_n in_o their_o own_o province_n especial_o if_o their_o level_n will_v suffer_v the_o virtue_n inclinatory_n to_o prevail_v which_o thing_n be_v most_o apparent_a by_o the_o inclinatory-needle_n in_o his_o ring_n that_o be_v on_o this_o side_n of_o the_o aequator_fw-la erect_v his_o lily_n above_o the_o horizon_n towards_o the_o pole_n but_o on_o the_o further_a south_n side_n of_o the_o aequator_fw-la dip_v his_o lily_n under_o the_o horizon_n and_o suffer_v the_o point_n to_o respect_v his_o own_o pole_n with_o convenient_a angle_n to_o the_o axis_fw-la but_o this_o thing_n can_v be_v do_v by_o the_o compass_n and_o directory-needle_n which_o lie_v always_o parallel_v to_o the_o horizon_n but_o only_o be_v demonstrable_a by_o the_o stone_n in_o the_o 4_o and_o 5_o table_n before_o this_o be_v a_o fit_a place_n to_o speak_v of_o the_o order_n of_o make_v sea-compass_n the_o instrument_n for_o magnetical_a direction_n the_o make_v whereof_o be_v very_o well_o know_v unto_o artificer_n yet_o i_o can_v wish_v that_o they_o be_v more_o artificial_o make_v than_o they_o be_v though_o the_o price_n be_v somewhat_o more_o with_o some_o addition_n which_o we_o do_v partly_o touch_v in_o the_o chapter_n follow_v and_o wish_v also_o that_o the_o point_n be_v 48._o in_o use_n that_o every_o point_n may_v be_v half_a a_o hour_n all_o direction_n be_v perform_v upon_o the_o true_a meridian_n respect_v direct_o with_o the_o needle_n the_o pole_n of_o the_o earth_n as_o the_o needle_n do_v in_o the_o good_a and_o polished_a loadstone_n and_o terrella_n unless_o it_o be_v weaken_v deprave_a and_o force_v to_o decline_v from_o the_o true_a meridian_n of_o the_o earth_n by_o the_o cause_n of_o variation_n chap._n xxvi_o of_o the_o variation_n of_o the_o compass_n from_o the_o true_a meridian_n tab_n xiii_o but_o because_o the_o globe_n of_o the_o earth_n be_v know_v unto_o we_o to_o be_v very_o un-even_a and_o un-equal_o mix_v with_o many_o material_n differ_v from_o magnetical_a substance_n have_v great_a and_o stony_a mountain_n large_a valley_n deep_a sea_n long_a and_o high_a continent_n and_o foreland_n some_o with_o mighty_a scatter_a rock_n of_o loadstone_n of_o iron-mine_n and_o other_o magnetical_a matter_n and_o some_o without_o as_o also_o the_o entrails_n and_o interior_a substance_n bark_n or_o scarf_n of_o the_o earth_n consist_v of_o a_o great_a quantity_n of_o substance_n not_o magnetical_a whereupon_o it_o come_v to_o pass_v that_o when_o the_o magnetical_a faculty_n of_o the_o earth_n shall_v direct_v these_o magnetical_a instrument_n of_o the_o needle_n and_o compass_n they_o be_v not_o compose_v or_o set_v direct_o upon_o the_o true_a meridian_n that_o pass_v right_o on_o to_o the_o pole_n of_o the_o earth_n but_o be_v draw_v and_o force_v awry_o towards_o some_o vigorous_a and_o magnetical_a eminency_n of_o the_o earth_n whereby_o the_o meridian_n which_o the_o needle_n and_o compass_n make_v do_v decline_v and_o vary_v from_o the_o true_a meridian_n of_o the_o earth_n certain_a part_n &_o degree_n in_o the_o horizontal_n circle_n which_o be_v call_v the_o variation_n of_o the_o compass_n the_o meridian_n that_o this_o declination_n of_o the_o compass_n &_o needle_n make_v may_v be_v term_v the_o magnetical_a meridian_n to_o distinguish_v it_o from_o the_o true_a meridian_n and_o the_o space_n between_o the_o magnetical_a meridian_n and_o the_o true_a meridian_n be_v the_o difference_n of_o variation_n so_o that_o here_o the_o needle_n &_o compass_n do_v dispose_v themselves_o into_o the_o north_n and_o south_n oblique_o and_o not_o true_o and_o exact_o and_o according_a to_o the_o diversity_n and_o strength_n of_o the_o scatter_a magnetical_a body_n be_v the_o cause_n of_o variation_n the_o arch_n of_o the_o declination_n be_v great_a and_o lesser_a as_o in_o sail_v by_o great_a continent_n and_o highland_n magnetical_a either_o the_o point_n or_o tail_n of_o the_o needle_n and_o compass_n be_v force_v awry_o towards_o the_o east_n or_o west_n as_o be_v demonstrate_v in_o the_o chapter_n of_o application_n &_o in_o the_o xxiii_o chapter_n for_o if_o the_o magnetical_a eminency_n whether_o it_o be_v iron_n like_o clay_n i_o of_o iron_n or_o rockeof_o loadstone_n be_v contiguous_a unto_o the_o magnetical_a globe_n of_o the_o earth_n and_o fasten_v in_o the_o same_o substance_n unto_o it_o than_o the_o compass_n and_o needle_n will_v leave_v the_o direction_n of_o the_o magnetical_a globe_n of_o the_o earth_n and_o deflect_v towards_o this_o eminency_n but_o if_o this_o mountain_n magnetical_a be_v not_o continue_v with_o the_o globe_n and_o have_v other_o material_n under_o and_o about_o he_o than_o the_o needle_n and_o compass_n will_v be_v thrust_v awry_o and_o fly_v from_o it_o decline_v as_o much_o in_o a_o manner_n the_o other_o way_n lean_v unto_o it_o by_o the_o other_o point_n or_o tail_n as_o it_o be_v demonstrate_v in_o the_o rule_n of_o application_n of_o one_o needle_n in_o his_o varry_n upon_o the_o loadstone_n unto_o a_o piece_n of_o iron_n touch_v and_o not_o touch_v the_o stone_n and_o no_o less_o do_v the_o needle_n and_o compass_n upon_o the_o continent_n and_o inner-land_n decline_v easterly_n or_o westerly_n when_o as_o a_o great_a part_n of_o the_o earth_n shall_v be_v of_o a_o substance_n no_o way_n magnetical_a and_o the_o other_o part_n shall_v be_v of_o a_o vigorous_a and_o adamantine_a quality_n to_o attract_v unto_o it_o for_o although_o all_o direction_n to_o the_o north_n and_o south_n by_o the_o needle_n and_o compass_n be_v from_o the_o virtue_n of_o the_o whole_a magnetical_a globe_n of_o the_o earth_n yet_o a_o strong_a effectual_a and_o near_o particular_a cause_n though_o weak_a as_o it_o be_v prove_v in_o the_o end_n of_o the_o xxiii_o chapter_n vari_v their_o direction_n diverse_o and_o erratical_o by_o that_o land_n especial_o which_o lie_v and_o treat_v north_n and_o south_n where_o as_o the_o vigour_n and_o potency_n magnetical_a increase_v from_o the_o equinoctial_a to_o the_o pole_n of_o the_o magnetical_a globe_n of_o the_o earth_n as_o it_o do_v in_o the_o terrella_n whereby_o the_o like_a eminency_n magnetical_a in_o the_o part_n near_o the_o pole_n be_v of_o more_o allicient_fw-la and_o adamantine_a property_n than_o they_o be_v about_o the_o equinoctial_a therefore_o it_o may_v be_v think_v that_o in_o sail_v upon_o one_o meridian_n in_o like_a distance_n from_o this_o eminency_n enrich_v with_o this_o vigour_n it_o will_v make_v a_o great_a variation_n of_o the_o compass_n near_o the_o pole_n than_o it_o do_v near_o the_o equinoctial_a but_o this_o matter_n may_v be_v help_v and_o lessen_v by_o the_o great_a vigour_n that_o the_o needle_n be_v direct_v withal_o from_o the_o adamantine_a globe_n of_o the_o earth_n especial_o if_o the_o sea_n be_v shallow_a and_o the_o needle_n in_o a_o near_a orb_n unto_o the_o same_o for_o thus_o the_o needle_n will_v very_o hardly_o be_v remove_v because_o the_o force_n of_o the_o earth_n be_v great_a that_o direct_v it_o but_o mark_v that_o in_o the_o xxiii_o chapter_n where_o a_o small_a strength_n magnetical_a alter_v quick_o the_o
fill_v with_o other_o substance_n different_a from_o magnetical_a nature_n and_o many_o mountain_n magnetical_a mount_v above_o these_o substance_n high_a and_o low_o so_o that_o some_o attract_v be_v above_o the_o point_n of_o the_o inclinatory-needle_n some_o be_v under_o it_o some_o place_v before_o it_o draw_v the_o point_n of_o the_o inclinatory-needle_n up_o unto_o they_o other_o behind_z it_o be_v also_o adamantive_a fort_n will_v have_v this_o inclinatory-needle_n strike_v sail_n to_o they_o also_o by_o which_o mean_v the_o natural_a conformity_n of_o the_o inclinatory-needle_n to_o his_o natural_a angle_n be_v much_o disturb_v and_o deprave_a whereby_o it_o come_v to_o pass_v that_o this_o needle_n have_v his_o variation_n also_o as_o well_o as_o the_o directory_n needle_n have_v as_o be_v before_o demonstrate_v therefore_o the_o variation_n of_o the_o inclinatory-needle_n be_v when_o in_o one_o altitude_n of_o the_o pole_n this_o needle_n point_v out_o another_o angle_n different_a from_o the_o true_a and_o respondent_fw-la angle_n of_o that_o latitude_n of_o the_o pole_n be_v hinder_v by_o a_o mountain_n or_o part_v magnetical_a that_o do_v attract_v one_o of_o the_o point_n of_o the_o inclinatory-needle_n approach_v near_o unto_o it_o either_o near_o the_o pole_n or_o aequator_fw-la in_o so_o much_o that_o the_o angle_n of_o inclination_n be_v make_v less_o or_o more_o than_o it_o natural_o will_v be_v in_o sail_v east_n or_o west_n upon_o a_o parallel_n have_v high_a land_n on_o the_o side_n towards_o the_o pole_n consist_v of_o magnetical_a substance_n this_o will_v attract_v the_o inclinatory-needle_n and_o cause_v his_o natural_a position_n to_o be_v more_o perpendicular_a than_o it_o will_v be_v if_o the_o shore_n about_o the_o pole_n be_v situate_v between_o the_o inclinatory-needle_n and_o the_o aequator_fw-la this_o adamantine_a eminency_n will_v attract_v the_o needle_n unto_o it_o make_v his_o inclination_n less_o plumbe_v then_o natural_o it_o be_v in_o sail_v east_n or_o west_n near_o the_o equinoctial_a where_o the_o carriage_n of_o the_o inclinatory-needle_n be_v less_o perpendicular_a and_o more_o tend_v to_o the_o level_a with_o the_o horizon_n the_o magnetical_a eminency_n between_o the_o pole_n and_o the_o needle_n will_v pull_v down_o the_o high_a end_n of_o the_o same_o and_o make_v he_o more_o parallel_n to_o the_o axis_fw-la of_o the_o earth_n then_o natural_o he_o can_v endure_v even_o so_o a_o adamantine_a mountain_n between_o the_o inclinatory-needle_n and_o the_o equinoctial_a line_n will_v lift_v up_o the_o low_a end_n of_o this_o needle_n be_v within_o the_o magnetical_a vigour_n of_o that_o mountain_n and_o make_v he_o more_o parallel_n with_o the_o horizon_n than_o his_o natural_a conformity_n require_v in_o that_o parallel_n the_o variation_n of_o the_o inclinatory-needle_n be_v great_a in_o the_o part_n near_o the_o equinoctial_a than_o it_o be_v in_o the_o part_n near_o the_o pole_n where_o this_o needle_n be_v not_o attract_v so_o many_o degree_n from_o his_o natural_a angle_n as_o usual_o he_o be_v near_o the_o equinoctial_a if_o in_o the_o part_n near_o the_o pole_n the_o inclinatory-needle_n be_v carry_v between_o two_o eminence_n magnetical_a in_o that_o space_n of_o the_o straight_o where_o both_o their_o vigour_n be_v of_o like_a validity_n they_o will_v make_v the_o application_n of_o this_o needle_n perpendicular_a cross_v they_o both_o at_o all_o right_a angle_n not_o much_o unlike_a as_o it_o be_v in_o xv._o chapter_n of_o application_n table_n viii_o fig._n 1_o in_o sail_v near_o the_o equinoctial_a in_o strait_n between_o two_o adamantine_a mountain_n who_o vigour_n attractive_a surpass_v the_o general_a virtue_n disponent_fw-la of_o the_o magnetical_a globe_n of_o the_o earth_n these_o will_v lay_v the_o inclinatory-needle_n in_o a_o parallel_n and_o level_v to_o the_o horizon_n though_o they_o be_v many_o degree_n from_o the_o equinoctial_a as_o chapter_n xv._o tab_n viii_o fig._n 2._o last_o in_o pass_v or_o sail_v near_o and_o over_o a_o vigorous_a magnetical_a rock_n in_o the_o sea_n or_o earth_n under_o we_o in_o approach_v near_o unto_o it_o the_o same_o will_v attract_v the_o inclinatory-needle_n from_o his_o right_a place_n and_o come_v near_o the_o rock_n it_o will_v alter_v he_o much_o more_o and_o pass_v over_o the_o same_o it_o will_v attract_v the_o needle_n perpendicular_o and_o be_v pass_v this_o needle_n will_v be_v free_v by_o little_a and_o little_a from_o that_o disturbance_n of_o his_o natural_a inclination_n these_o variety_n be_v find_v upon_o the_o magnetical_a globe_n or_o terrella_n by_o have_v a_o convenient_a piece_n or_o piece_n of_o iron_n place_v thereon_o as_o have_v be_v say_v and_o place_v the_o inclinatory-needle_n before_o describe_v in_o the_o ii_o chapter_n the_o one_o of_o they_o put_v upon_o a_o lutestring_n the_o other_o in_o his_o frame_n tab._n ii_o fig._n 17._o 18_o or_o 19_o so_o that_o i_o hope_v i_o need_v not_o set_v down_o any_o type_n hereof_o for_o the_o ingenious_a will_n better_o conceive_v how_o to_o gather_v this_o matter_n from_o the_o globe_n of_o the_o loadstone_n than_o i_o can_v possible_o explain_v in_o many_o troublesome_a figure_n or_o the_o workman_n deliniat_fw-la by_o his_o skill_n unto_o you_o in_o print_a table_n and_o figure_n chap._n xxxxii._n of_o find_v the_o variation_n of_o the_o inclinatory-needle_n have_v declare_v the_o manifold_a cause_n of_o the_o variation_n of_o the_o inclinatory-needle_n from_o his_o true_a and_o natural_a angle_n of_o inclination_n with_o the_o horizon_n it_o follow_v that_o we_o deliver_v plain_o how_o to_o discern_v these_o event_n when_o they_o shall_v fall_v out_o which_o be_v know_v perfect_o by_o have_v the_o true_a elevation_n of_o the_o pole_n where_o these_o matter_n shall_v be_v require_v the_o rule_n and_o way_n how_o to_o know_v the_o elevation_n of_o the_o pole_n in_o all_o place_n be_v so_o perfect_o set_v out_o by_o most_o astronomer_n and_o writer_n of_o navigation_n and_o so_o well_o know_v to_o all_o expert_a pilot_n that_o it_o be_v a_o thing_n needless_a here_o to_o repeat_v they_o beside_o the_o ingenious_a pilot_n know_v the_o elevation_n of_o the_o pole_n in_o some_o place_n of_o his_o voyage_n that_o he_o have_v pass_v by_o keep_v a_o true_a not_o a_o dead_a reckon_n of_o his_o course_n in_o prick_v his_o card_n aright_o and_o observe_v the_o way_n with_o the_o logge-line_n with_o other_o currant_n and_o occurrant_n will_v give_v a_o very_a artificial_a conjecture_n of_o the_o elevation_n of_o the_o pole_n in_o that_o place_n where_o he_o be_v though_o he_o see_v neither_o sun_n nor_o star_n notwithstanding_o because_o the_o skilful_a pilot_n may_v be_v hinder_v in_o this_o kind_n of_o observation_n by_o the_o fall_n of_o the_o ship_n to_o lee-ward_n and_o by_o other_o extraordinary_a change_n of_o weather_n and_o other_o disturbance_n that_o may_v many_o way_n fall_v out_o 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the_o sun_n declination_n for_o that_o day_n turn_v about_o the_o rete_fw-la of_o this_o instrument_n until_o this_o parallel_n of_o the_o sun_n declination_n be_v touch_v by_o the_o point_n where_o these_o two_o circle_n of_o altitude_n and_o position_n meet_v and_o then_o the_o horizon_n of_o the_o rete_fw-la will_v show_v in_o the_o limb_n the_o latitude_n of_o that_o place_n the_o latitude_n of_o the_o pole_n for_o any_o place_n be_v know_v the_o true_a angle_n of_o the_o inclinatory-needle_n be_v manifest_a and_o apparent_a as_o it_o be_v set_v down_o and_o know_v by_o the_o xiii_o chapter_n in_o the_o chapter_n to_o know_v the_o angle_n of_o inclination_n by_o the_o instrument_n and_o in_o the_o table_n of_o the_o degree_n of_o the_o inclinatory-needle_n answerable_a to_o every_o elevation_n of_o the_o pole_n now_o observe_v the_o degree_n that_o the_o inclinatory-needle_n point_v out_o in_o his_o ring_n in_o that_o place_n and_o take_v the_o difference_n of_o these_o from_o the_o degree_n of_o the_o