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end_n east_n point_n west_n 1,970 5 9.4719 5 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A64474 A light to the longitude, or, The use of an instrument called the seaman's director speedily resolving all astronomical cases and questions concerning the sun, moon, and stars : with several propositions whereby sea-men may find at what meridian and longitude they are at in all parts of the world : published for the advance of navigation / by Robert Theaker. Theaker, Robert. 1665 (1665) Wing T844; ESTC R1274 25,756 42

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that_o upper_a move_a plain_n and_o the_o other_o part_n of_o this_o move_a meridian_n or_o index_n which_o be_v beyond_o or_o without_o the_o graduated_a part_n serve_v to_o cut_v the_o circle_n of_o month_n the_o hour-circle_n and_o equinoctial_a describe_v on_o the_o fix_a or_o low_a plain_n as_o the_o case_n shall_v require_v last_o there_o be_v place_v upon_o this_o upper_a sphere_n or_o move_a plain_n a_o turn_a horizon_n in_o the_o centre_n be_v to_o draw_v all_o pannole_n thereupon_o and_o may_v be_v fit_v for_o any_o latitude_n require_v have_v two_o index_n thereunto_o belong_v the_o long_a index_n to_o be_v apply_v for_o the_o rise_n or_o set_v of_o the_o sun_n when_o he_o be_v in_o the_o northern_a sign_n or_o for_o the_o sothe_v rise_v and_o set_v of_o the_o northern_a star_n and_o the_o short_a index_n be_v to_o be_v apply_v to_o the_o meridian_n for_o the_o rise_n set_v and_o sothe_v the_o southern_a star_n or_o for_o the_o sun_n when_o the_o sun_n be_v in_o the_o 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and_o end_v at_o ♈_o aries_n with_o 360_o degree_n number_v into_o the_o east_n with_o 10_o 20_o 30_o etc._n etc._n until_o it_o be_v count_v round_o about_o and_o then_o conclude_v again_o with_o 360_o degree_n where_o it_o first_o begin_v the_o beginning_n and_o end_v of_o all_o longitude_n upon_o the_o earth_n then_o upon_o this_o low_a fix_v plain_a represent_v the_o terrestrial_a globe_n there_o be_v draw_v at_o every_o ten_o degree_n from_o the_o equinoctial_a straight_a line_n all_o meeting_n in_o the_o centre_n which_o be_v here_o in_o this_o projection_n count_v the_o pole_n of_o the_o world_n then_o from_o that_o centre_n or_o pole_n at_o every_o ten_o degree_n latitude_n or_o breadth_n from_o the_o equinoctial_a there_o be_v draw_v a_o concentric_a circle_n which_o be_v number_v by_o ten_o from_o the_o equinoctial_a in_o this_o manner_n 10_o 20_o 30_o 40_o etc._n etc._n conclude_v with_o 90_o degree_n in_o the_o centre_n or_o pole_n all_o graduate_v upon_o a_o move_a 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about_o to_o ♈_o aries_n again_o and_o there_o end_n and_o finish_v with_o 360_o degree_n where_o you_o first_o begin_v in_o the_o same_o manner_n as_o the_o equinoctial_a be_v number_v and_o describe_v on_o the_o low_a fix_a plain_n and_o from_o this_o equinoctial_a be_v reckon_v the_o sun_n or_o star_n declination_n upon_o another_o move_a meridian_n call_v a_o index_n place_v and_o turn_v about_o in_o the_o centre_n of_o this_o upper_a moving-plain_a as_o hereafter_o in_o use_n will_v facil_o appear_v then_o upon_o this_o upper_a move_a sphere_n or_o plain_n there_o be_v describe_v the_o ecliptic_a circle_n be_v the_o pathway_n of_o the_o sun_n and_o be_v number_v from_o ♈_o aries_n in_o the_o northern_a sign_n with_o 10_o degree_n 20_o degree_n and_o then_o 30_o degree_n and_o then_o begin_v again_o from_o ♉_o with_o 10_o degr_n 20_o degr_n &_o then_o 30_o degr_n and_o so_o in_o the_o same_o manner_n number_v again_o from_o ♊_o gemini_fw-la 10_o degree_n 20_o degree_n and_o 30_o 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