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water_n air_n earth_n part_n 7,610 5 5.1031 4 true
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ID Title Author Corrected Date of Publication (TCP Date of Publication) STC Words Pages
A26162 The faithfull surveyour discovering divers errours in land measuring, and showing how to measure all manner of ground, and to plot it, and to prove the shutting by the chain onely ... / by George Atwell. Atwell, George. 1658 (1658) Wing A4163; ESTC R24190 96,139 143

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now_o whether_o we_o reckon_v the_o semi-diameter_n 5011_o italian_a mile_n or_o 3436_o english_a mile_n 60_o mile_n to_o a_o degree_n or_o 3780_o english_a mile_n 66_o to_o a_o degree_n that_o decide_v not_o the_o controversy_n whether_o of_o these_o either_o hopton_n or_o diggs_n be_v right_a or_o either_o of_o they_o both_o or_o neither_o of_o they_o both_o first_o for_o hopton_n i_o can_v think_v he_o to_o be_v true_a for_o that_o he_o show_v no_o reason_n nor_o demonstration_n of_o it_o and_o although_o 4½_n inch_n may_v serve_v the_o first_o mile_n yet_o i_o can_v think_v every_o mile_n be_v alike_o for_o this_o water-level_n must_v of_o necessity_n be_v suppose_v to_o be_v a_o right_a line_n draw_v or_o run_v from_o the_o top_n of_o the_o earth_n hemisphere_n there_o make_v a_o acute_a angle_n with_o the_o tangent_fw-la and_o run_v between_o the_o say_v tangent_fw-la and_o the_o earth_n perimeter_n such_o as_o the_o tangent-line_n bg_n in_o the_o last_o diagram_n now_o there_o 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both_o moisten_v and_o fat_v they_o whereas_o the_o river-water_n fat_v nothing_o so_o much_o as_o virgil_n have_v it_o huc_fw-la summis_fw-la liquuntur_fw-la rupibus_fw-la amnes_fw-la decliuémque_fw-la trahunt_fw-la limum_fw-la and_o in_o another_o place_n et_fw-la cum_fw-la exustus_fw-la agre_z morientibus_fw-la aestuat_fw-la herbis_fw-la ecce_fw-la supercilio_fw-la clivosi_fw-la tramitis_fw-la undam_fw-la elicit_v illa_fw-la cadens_fw-la raucum_fw-la per_fw-la levia_fw-la murmur_v saxa_n ciet_fw-la scatebrísque_fw-la carentia_fw-la temperate_a arva_fw-la and_o do_v not_o all_o the_o world_n know_v how_o the_o river_n nilus_n fat_v with_o his_o slime_n the_o whole_a land_n of_o egypt_n but_o now_o have_v by_o drain_v and_o dam_n bring_v your_o water_n to_o the_o high_a part_n of_o the_o ground_n that_o you_o will_v slow_v you_o shall_v cut_v a_o little_a trench_n as_o level_a as_o you_o can_v ghuess_v by_o the_o eye_n which_o in_o your_o ground_n let_v not_o be_v above_o nine_o 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coal_n and_o then_o take_v the_o buck-cloth_n by_o all_o the_o four_o corner_n and_o throw_v up_o the_o ash_n into_o the_o chimney_n and_o find_v a_o pail_n i_o run_v and_o fetch_v turf-ash_n and_o water_n together_o and_o quench_v all_o quite_o in_o a_o quarter_n of_o a_o hour_n all_o this_o while_n not_o one_o body_n come_v so_o i_o be_v go_v thence_o and_o as_o i_o be_v go_v out_o at_o the_o gate_n there_o come_v near_o half_a a_o score_n which_o she_o bring_v out_o of_o the_o field_n from_o hay_v with_o these_o i_o go_v back_o again_o fear_v lest_o they_o shall_v do_v hurt_v so_o present_o some_o of_o they_o get_v ladder_n and_o to_o pull_v off_o the_o thatch_n but_o i_o prevail_v with_o they_o with_o much_o ado_n to_o let_v it_o alone_o and_o will_v they_o by_o all_o mean_n to_o keep_v it_o into_o the_o chimney_n if_o they_o find_v any_o hole_n that_o it_o can_v come_v out_o at_o to_o stop_v they_o up_o with_o dirt_n or_o cowdung_n and_o throw_v dirt_n or_o cowdung_n on_o the_o 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they_o salute_v ●t_a with_o a_o bucket_n of_o water_n but_o for_o all_o that_o so_o soon_o as_o the_o fire_n have_v break_v out_o at_o the_o eau_n which_o have_v be_v have_v not_o we_o two_o assuage_v it_o they_o must_v all_o have_v seek_v a_o new_a way_n down_o or_o else_o have_v go_v through_o the_o fire_n if_o it_o begin_v likewise_o upon_o hemp_n or_o flax_n cover_v it_o with_o coverlet_n blanket_n hair-cloth_n etc._n etc._n and_o throw_v on_o ash_n if_o it_o be_v on_o the_o side_n of_o a_o mow_n hang_v wet_a hair-cloth_n or_o woollen-cloth_n before_o it_o and_o cover_v it_o at_o the_o top_n that_o no_o flame_n get_v out_o hold_v the_o fore-side-cloth_n as_o close_o to_o it_o as_o possible_o you_o can_v thus_o have_v we_o show_v the_o way_n how_o to_o quench_v fire_n in_o any_o house_n where_o or_o howsoever_o it_o shall_v begin_v without_o pull_v down_o now_o to_o prevent_v fire_n come_v from_o another_o house_n cover_v it_o with_o hair-cloth_n coverlet_n etc._n etc._n and_o throw_v on_o they_o water_a ash_n dirt_n dung_n etc._n etc._n also_o if_o a_o house_n be_v pull_v down_o by_o no_o mean_n let_v it_o lie_v there_o but_o be_v it_o what_o it_o will_v timber_n or_o grain_n hey_o or_o straw_n quench_v it_o thorough_o and_o get_v cart_n and_o away_o with_o it_o into_o the_o field_n and_o there_o spread_v it_o i_o see_v one_o at_o burton_n in_o bedfordshire_n at_o one_o woodward_n who_o have_v his_o barn_n burn_v down_o that_o it_o kindle_v again_o in_o the_o cart_n before_o they_o get_v a_o furlong_n from_o home_n and_o i_o have_v hear_v my_o father_n speak_v of_o it_o often_o that_o there_o be_v a_o parsonage-barn_n with_o much_o corn_n in_o it_o burn_v down_o at_o leighton-buzzard_n where_o he_o be_v bear_v and_o they_o do_v not_o carry_v it_o away_o but_o watch_v it_o continual_o but_o for_o eight_o night_n together_o still_o about_o midnight_n it_o break_v out_o again_o that_o they_o be_v force_v to_o ring_v the_o bell_n and_o to_o carry_v all_o away_o at_o last_o when_o they_o have_v weary_v they_o with_o watch_v if_o any_o shall_v doubt_v of_o the_o efficacy_n of_o these_o thing_n i_o desire_v he_o to_o consider_v of_o these_o five_o thing_n first_o he_o see_v daily_o that_o a_o extinguisher_n put_v out_o a_o candle_n yea_o a_o candle_n put_v out_o itself_o by_o turn_v the_o flame_n downward_o then_o a_o blanket_n on_o a_o chimney_n or_o any_o where_o else_o much_o more_o second_o if_o any_o doubt_v the_o blanket_n will_v burn_v it_o may_v be_v so_o if_o it_o have_v hole_n in_o it_o but_o they_o be_v easy_o stop_v with_o throw_v on_o horse-dung_n or_o dirt_n and_o for_o both_o these_o let_v he_o try_v this_o conclusion_n let_v he_o take_v a_o woollen_a rag_n and_o a_o burn_a coal_n either_o of_o wood_n sea-coal_n or_o turf_n which_o of_o all_o other_o be_v hard_a to_o be_v extinguish_v and_o therefore_o we_o use_v to_o take_v a_o piece_n of_o turf_n and_o wet_v it_o and_o rake_v it_o up_o in_o the_o ash_n to_o keep_v fire_n yet_o let_v he_o wrap_v this_o coal_n in_o his_o cloth_n or_o lay_v it_o on_o the_o hearth_n and_o cover_v it_o close_o that_o no_o air_n can_v get_v in_o and_o your_o coal_n quick_o die_v three_o ask_v any_o soldier_n and_o he_o will_v tell_v you_o that_o the_o best_a way_n to_o put_v out_o his_o match_n be_v to_o put_v it_o into_o the_o mouth_n of_o his_o piece_n with_o the_o coal_n downward_o four_o you_o may_v easy_o see_v the_o effect_n of_o dust_n sand_n hors-dung_n or_o such_o like_a if_o ever_o you_o see_v a_o hearth_n of_o char-coal_n burn_v and_o quench_v five_o if_o a_o mow_n shall_v be_v cover_v at_o the_o top_n and_o not_o at_o the_o end_n you_o will_v say_v it_o will_v burn_v underneath_o like_o a_o oven_n i_o answer_v put_v a_o whole_a sedge-sheaf_n into_o a_o oven_n at_o once_o let_v it_o be_v at_o full_a fire_n stop_v up_o the_o oven_n and_o present_o the_o fire_n go_v out_o chap._n xxxii_o of_o keep_v a_o fire_n light_a all_o night_n with_o a_o farthing-charge_n i_o have_v before_o in_o the_o last_o chapter_n show_v you_o how_o to_o put_v out_o fire_n now_o in_o this_o i_o will_v show_v you_o how_o to_o keep_v fire_n a_o long_a while_n light_n with_o a_o little_a charge_n suppose_v you_o dwell_v in_o a_o lone-countrey-house_n where_o one_o be_v sick_a and_o you_o have_v but_o one_o farthing-candle_n in_o the_o house_n and_o borrow_v you_o can_v and_o you_o will_v fain_o have_v it_o last_o burn_v a_o whole_a long-winters-night_n then_o do_v thus_o cut_a your_o candle_n in_o two_o piece_n light_a one_o of_o they_o and_o heat_n a_o great_a pin_n and_o thrust_v it_o into_o the_o great_a end_n of_o the_o candle_n long-wise_a half_n the_o pin_n length_n then_o fill_v a_o pail_n with_o water_n so_o deep_a that_o the_o length_n of_o the_o candle_n pin_n and_o all_o will_v not_o reach_v the_o bottom_n then_o hold_v the_o candle_n by_o the_o light_n let_v it_o down_o gentle_o into_o the_o water_n with_o your_o forefinger_n and_o thumb_n till_o it_o come_v to_o the_o flame_n there_o stay_v it_o a_o while_n till_o the_o water_n be_v still_o and_o then_o take_v away_o your_o hand_n so_o still_o as_o the_o candle_n burn_v the_o flame_n will_v raise_v it_o and_o which_o answer_v the_o whole_a business_n that_o the_o fire_n will_v go_v no_o otherway_n save_v upward_o to_o his_o own_o element_n chap._n xxxiii_o of_o lay_v down_o of_o ground_n for_o pasture_n of_o all_o ground_n the_o best_a to_o lay_v for_o sward_n be_v the_o black-mould_n o●_n strong_a clay_n and_o although_o the_o black-mould_n be_v excellent_a both_o for_o wheat_n barley_n and_o bean_n
and_o nail_n their_o great_a end_n together_o within_o five_o or_o six_o inch_n of_o the_o top_n with_o one_o nail_n only_o that_o they_o may_v open_v and_o shut_v like_o a_o pair_n of_o tong_n also_o you_o shall_v take_v a_o joynd-stool_n and_o cushion_n and_o have_v put_v the_o neck_n upon_o the_o foot_n and_o the_o pandoron_n on_o the_o pin_n of_o the_o neck_n close_o the_o three_o foot_n together_o with_o your_o right-hand_a and_o lay_v they_o on_o the_o cushion_n and_o with_o your_o left_a hand_n under-set_a the_o neck_n with_o the_o tong_n open_v and_o shut_v they_o as_o need_n be_v or_o set_v they_o near_o or_o further_o from_o you_o as_o need_n be_v all_o with_o the_o same_o hand_n and_o turn_v it_o aslope_o with_o the_o right_a hand_n then_o have_v first_o place_v the_o sight_n at_o the_o begin_n of_o the_o degree_n turn_v it_o till_o by_o the_o edge_n of_o both_o sight_n you_o see_v one_o of_o the_o star_n you_o desire_v then_o keep_v the_o table_n f●st_n there_o and_o move_v the_o sight_n till_o by_o they_o you_o see_v the_o other_o star_n &_o voti_fw-la compos_fw-la ●ris_fw-la chap._n xxi_o of_o take_v of_o altitude_n terrestrial_a by_o the_o quadrant_n there_o be_v divers_a way_n whereby_o these_o altitude_n may_v be_v discover_v whether_o they_o be_v perpendicular_a as_o proper_o they_o signify_v or_o hypotenuse_n or_o base_n for_o all_o of_o they_o be_v comprehend_v under_o the_o notion_n of_o altitude_n because_o the_o base_n may_v be_v as_o well_o find_v by_o the_o help_n of_o the_o perpendicular_o as_o perpendicular_o by_o the_o help_n of_o base_n and_o any_o of_o these_o may_v be_v find_v several_a way_n by_o the_o pandoron_n either_o as_o it_o be_v a_o quadrant_n or_o as_o it_o be_v a_o geometrical_a quadrat_fw-la of_o either_o of_o which_o we_o will_v lay_v down_o some_o problem_n and_o first_o as_o it_o be_v a_o quadrant_n probl._n i._n a_o distance_n be_v give_v and_o the_o angle_n of_o the_o base_a to_o find_v a_o altitude_n measure_v the_o distance_n ac_fw-la 100l_n and_o the_o angle_n a_o 9_o deg●●_n 0_o min._n by_o your_o pandoron_n the_o compliment_n whereof_o be_v the_o angle_n b_o 60_o d._n 20._o n._n ergò_fw-la as_o fine_a abc_n 60_o d_o 20_o m._n 993898_o be_v to_o the_o line_n ad_fw-la 100l_n 230103_o so_o sine_fw-la bac_n 29_o d._n 40_o m._n 969496_o to_o cb_n 114_o 03._o 205700_o ii_o likewise_o the_o height_n cb_n give_v to_o find_v ac_fw-la the_o distance_n as_o bac_n 29_o deg_n 40_o min._n 969496_o be_v to_o cb_n 114_o 03._o 230103_o so_o b_o 60_o deg_n 20_o min._n 993898_o to_o ac_fw-la 200._o 230103_o to_o find_v either_o of_o they_o by_o the_o scale_n and_o compass_n have_v the_o angle_n a_o and_o distance_z ac_fw-la first_o draw_v the_o line_n ac_fw-la set_v from_o a_o towards_o c_o 200_o of_o some_o scale_n of_o equal_a part_n upon_o c_o erect_v a_o perpendicular_a and_o upon_o a_o make_v a_o angle_n of_o 29_o deg_n 40_o min._n which_o line_n will_v meet_v cb_n and_o you_o shall_v find_v cb_n 114_o feré_fw-la so_o measure_v the_o height_n cb_n and_o the_o angle_n b_o and_o plot_v it_o you_o shall_v have_v ac_fw-la 200._o iii_o the_o height_n bc_n and_o angle_v a_o be_v give_v to_o find_v the_o hypotenuse_n ab_fw-la as_o a_o 29_o deg_n 40_o min._n to_o bc_n the_o height_n 114_o 03_o so_o acb_n 90_o deg_n to_o ab_fw-la 230_o 17._o to_o find_v it_o by_o the_o scale_n draw_v the_o line_n ac_fw-la let_v it_o be_v 200_o of_o equal_a part_n upon_o c_o erect_v the_o perpendicular_a bc_n and_o on_o a_o make_v a_o angle_n of_o 29_o deg_n 40_o min._n so_o the_o hypotenuse_n ab_fw-la will_v be_v 230_o 17._o the_o part_n of_o the_o distance_n da_z in_o the_o same_o diagram_n be_v know_v to_o find_v dc_o or_o ac_fw-la let_v ad_fw-la or_o of_o be_v 90_o foot_n and_o i_o desire_v fg_n or_o dc_o but_o i_o can_v measure_v it_o for_o impediment_n therefore_o first_o take_v the_o angle_n of_o altitude_n b_o at_o both_o station_n a_o and_o d_o at_z a_z find_v a_o 29_o deg_n 40_o min._n so_o that_o the_o angle_n cba_n be_v 60_o deg_n 20_o min._n at_o diego_n find_v the_o same_o angle_n d_o 46_o deg_n and_o dbc_n 44_o deg_n subtract_v 44_o deg_n from_o 60_o deg_n 20_o min._n rest_v abdella_n 16_o deg_n 20_o min._n then_o say_v as_o fine_a abdella_n 16_o deg_n 20_o min._n to_o ad_fw-la 90_o foot_n so_o be_v bad_a 29_o deg_n 40_o min._n to_o db_v 158_o ●_o 10._o then_o again_o as_o 90_o to_o bd_o 158_o ●_o 10_o so_o be_v dbc_n 44_o deg_n to_o dc_o 110_o which_o add_v to_o 90_o ad_fw-la make_v ac_fw-la 200_o as_o afore_o by_o the_o scale_n thus_o draw_v the_o line_n ac_fw-la and_o ab_fw-la ad_fw-la infinitum_fw-la make_v the_o angle_n 29_o deg_n 40_o min._n than_o set_v 90_o foot_n from_o a_o in_o the_o line_n ac_fw-la to_z d_o where_o you_o find_v the_o angle_n dbc_n to_o be_v 46_o deg_n because_o the_o angle_n cdb_n be_v 44_o for_o they_o be_v the_o compliment_v one_o of_o the_o other_o therefore_o plot_v the_o angle_n bdc_n and_o it_o will_v be_v 46_o deg_n and_o the_o bd_o 158_o 4●_n then_o from_o b_o let_v fall_v a_o perpendicular_a upon_o ac_fw-la and_o it_o cut_v it_o at_o c_o make_o dc_o 110_o and_o ac_fw-la 100l_n as_o before_o to_o let_v this_o perpendicular_a fall_n divide_v either_o ab_fw-la or_o db_fw-la into_o two_o equal_a part_n and_o with_o the_o compass_n at_o that_o wideness_n set_v one_o foot_n in_o the_o intersection_n and_o the_o other_o in_o the_o line_n dc_o at_o c_o and_o there_o fall_v the_o perpendicular_a bc_n and_o the_o end_n of_o the_o line_n ac_fw-la likewise_o any_o part_n of_o the_o altitude_n be_v know_v the_o rest_n of_o it_o may_v be_v find_v by_o turn_v the_o height_n into_o the_o distance_n and_o the_o distance_n into_o the_o height_n second_o as_o sine_fw-la dcb_n 118_o deg_n vel_fw-la 62_o deg_n compar_fw-la 0054164_o to_o bd_o 600._o 2777974_o so_o sine_fw-la cbd_n 4_o deg_n 8843588_o to_o cd_o 47½_n the_o castle_n height_n 1675726_o but_o this_o will_v not_o be_v find_v very_o exact_o by_o plot_v by_o reason_n of_o the_o meeting_n of_o the_o acute_a angle_n &_o the_o line_n run_v so_o far_o one_o in_o another_o especial_o ad_fw-la and_o bd_o that_o you_o can_v distinguish_v their_o intersection_n and_o thus_o also_o we_o have_v not_o only_o find_v the_o height_n of_o the_o castle_n 47½_n but_o also_o the_o rest_n of_o the_o hill_n line_n by_o measure_v ab_fw-la 200_o a_o part_n of_o the_o same_o line_n and_o up_o a_o hill_n also_o for_o if_o you_o add_v bcd_v 118_o deg_n to_o cbd_v 4._o deg_n they_o make_v 122_o which_o subtract_v from_o 180_o deg_n rest_v 58_o deg_n the_o angle_n cdb_n then_o say_v as_o cbd_v 4_o deg_n compar_fw-la 1156416_o to_o cd_o 47½_n 1675726_o so_o cdb_v 58_o deg_n 9928420_o to_o bc_n 776_o 2._o 2760562_o which_o add_v to_o ab_fw-la 200_o give_v the_o whole_a line_n 976_o 2._o and_o now_o if_o you_o intend_v to_o begin_v your_o mine_n at_o b._n your_o best_a way_n be_v to_o go_v 10_o or_o 12_o foot_n first_o in_o bg_n line_n as_o you_o ghuess_v half_a the_o breadth_n of_o the_o fort_n to_o k_o and_o thence_o draw_v the_o line_n kl_n parallel_v to_o bc_n which_o two_o line_n be_v of_o equal_a length_n elem._n 1._o prop._n 26._o and_o then_o keep_v that_o line_n up_o to_o the_o top_n for_o that_o must_v be_v your_o line_n of_o direction_n that_o if_o by_o occasion_n of_o some_o rock_n or_o other_o impediment_n you_o be_v force_v to_o raise_v or_o sink_v or_o go_v sideways_o you_o may_v by_o help_n of_o this_o line_n draw_v on_o paper_n with_o a_o large_a scale_n keep_v account_n still_o how_o far_o you_o be_v go_v in_o the_o say_a line_n and_o by_o help_n of_o the_o quadrant_n at_o each_o station_n be_v able_a to_o plot_v how_o much_o you_o be_v above_o or_o below_o your_o line_n of_o direction_n and_o by_o help_n of_o your_o needle_n to_o find_v how_o far_o you_o be_v go_v sideways_o but_o your_o best_a way_n be_v to_o draw_v one_o line_n for_o ascent_n and_o descent_n and_o another_o for_o variation_n sideways_o beside_o your_o line_n of_o direction_n and_o it_o will_v not_o be_v labour_n in_o vain_a also_o beside_o both_o these_o line_n to_o set_v down_o in_o a_o notebook_n the_o inch_n raise_v by_o themselves_o above_o the_o line_n of_o direction_n and_o the_o fall_n by_o themselves_o that_o so_o you_o may_v subtract_v the_o sum_n of_o the_o lesser_a from_o the_o sum_n of_o the_o great_a just_a as_o in_o convey_v of_o water_n whereof_o we_o shall_v speak_v anon_o likewise_o set_v down_o the_o variation_n on_o the_o right-hand_a by_o themselves_o and_o those_o on_o the_o left_a by_o themselves_o and_o against_o
what_o part_n of_o your_o directing-line_n each_o of_o they_o be_v thus_o when_o you_o come_v within_o ten_o or_o twelve_o foot_n of_o the_o floor_n there_o begin_v your_o oven_n chap._n xxii_o of_o take_v altitude_n terrestrial_a by_o the_o quadrant_n or_o the_o pandoron_n the_o side_n of_o the_o quadrat_fw-la sk_n &_o k●_n of_o which_o sk_n be_v call_v of_o pitiscus_n the_o right_a shadow_n &_o kl_n the_o contrary_a be_v nothing_o else_o but_o the_o natural_a tangent_n of_o arch_n less_o than_o a_o quadrant_n which_o if_o each_o of_o these_o side_n be_v divide_v by_o decimal_a division_n they_o will_v agree_v with_o the_o table_n of_o natural_a tangent_n either_o of_o blundevil_n or_o pitiscus_n which_o hold_v in_o the_o contrary_a shadow_n but_o because_o the_o contrary_a shadow_n be_v not_o continue_v straight_o on_o but_o be_v turn_v again_o at_o 1000_o therefore_o there_o it_o begin_v to_o be_v reckon_v back_o again_o to_o 0_o as_o mr._n wingates_n or_o mr._n gunthers_n rule_n be_v so_o that_o now_o if_o you_o turn_v as_o downward_o than_o kl_n will_v be_v the_o right_a shadow_n but_o to_o distinguish_v the_o right_n and_o contrary_a shadow_n you_o must_v first_o consider_v whether_o your_o quadrant_n go_v with_o a_o movable_a rule_n and_o sight_n upon_o it_o as_o pitiscus_n have_v it_o if_o so_o then_o one_o edge_n be_v always_o plumb_v than_o the_o right_a shadow_n be_v the_o horizontal_a above_o and_o the_o left_a shadow_n be_v perpendicular_a which_o if_o the_o ruler_n fall_v on_o it_o the_o thing_n see_v be_v low_a than_o 1000_o part_n by_o his_o account_n but_o by_o gunthers_n quadrat_fw-la which_o be_v with_o a_o plummet_n only_o and_o the_o centre_n upward_o the_o plummet_n fall_v in_o the_o right_a shadow_n when_o the_o thing_n be_v see_v low_a than_o 45_o degr_n of_o the_o quadrant_n or_o a_o 1000_o of_o the_o quadrat_fw-la but_o mr._n gunther_n have_v in_o my_o judgement_n express_v himself_o in_o doubtful_a term_n in_o define_v right_a and_o 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the_o plummet_n fall_v in_o the_o the_o downright_a line_n next_o to_o you_o than_o it_o be_v right_a and_o level_n with_o the_o eye_n but_o by_o the_o other_o fix_v the_o ruler_n on_o the_o low_a side_n to_o the_o begin_n of_o the_o degree_n then_o plumb_n the_o other_o edge_n next_o the_o centre_n if_o then_o by_o look_v through_o the_o sight_n you_o espy_v the_o mark_n then_o be_v it_o level_v with_o the_o bottom_n of_o the_o table_n or_o if_o you_o see_v by_o the_o top_n than_o it_o be_v level_n with_o it_o 2._o to_o find_v a_o height_n at_o one_o observation_n by_o gunther_n if_o look_v through_o the_o sight_n and_o see_v the_o mark_n the_o plummet_n fall_v on_o 100_o of_o the_o quadrat_fw-la or_o 45_o degree_n of_o the_o quadrant_n than_o the_o distance_n between_o the_o mark_n that_o be_v level_a with_o your_o eye_n itself_o be_v equal_a to_o the_o height_n above_o the_o say_a mark_n but_o if_o the_o plummet_n fall_v there_o you_o see_v below_o it_o through_o the_o sight_n 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fall_v on_o the_o part_n of_o the_o right_a shadow_n or_o the_o ruler_n in_o the_o other_o on_o the_o contrary_a shadow_n as_o 100_o to_o the_o part_n on_o which_o the_o thread_n fall_v or_o rule_n cut_v so_o be_v the_o distance_n to_o the_o height_n require_v and_o contrary_o as_o the_o part_n cut_v by_o the_o thread_n or_o ruler_n in_o the_o say_a shadow_n be_v to_o 100_o so_o be_v the_o height_n to_o the_o distance_n but_o when_o the_o thread_n shall_v fall_v on_o the_o part_n of_o the_o contrary_a shadow_n or_o the_o ruler_n on_o the_o right_n if_o they_o fall_v on_o fifty_o part_n the_o height_n be_v double_a to_o the_o distance_n if_o on_o 25_o it_o be_v four_o time_n as_o much_o as_o the_o distance_n for_o as_o often_o as_o the_o thread_n fall_v on_o the_o part_n of_o the_o contrary_a shadow_n or_o the_o ruler_n on_o the_o right_n as_o the_o part_n cut_v by_o the_o thread_n or_o ruler_n be_v to_o 100_o so_o be_v the_o distance_n to_o the_o height_n and_o on_o the_o contrary_a as_o 100_o be_v to_o the_o part_n cut_v so_o be_v the_o height_n to_o the_o distance_n and_o what_o be_v here_o say_v of_o the_o height_n and_o distance_n the_o same_o may_v be_v understand_v of_o the_o height_n and_o shadow_n to_o find_v the_o height_n or_o distance_n at_o two_o observation_n by_o mr._n gunthers_n way_n by_o the_o quadrat_fw-la as_o if_o the_o place_n which_o be_v to_o be_v measure_v may_v not_o otherwise_o be_v approach_v and_o yet_o it_o be_v require_v to_o find_v the_o height_n bc_n and_o the_o distance_n first_o i_o make_v choice_n of_o a_o station_n at_o e_z in_o the_o last_o diagram_n where_o the_o thread_n may_v fall_v on_o 100_o part_n of_o the_o quadrat_fw-la or_o 45_o degree_n of_o the_o quadrant_n or_o the_o ruler_n cut_v the_o like_a part_n the_o distance_z ebb_n will_v be_v equal_a to_o the_o height_n bc_n then_o if_o i_o go_v further_o off_o in_o a_o direct_a line_n with_o the_o former_a distance_n and_o make_v choice_n of_o a_o second_o station_n at_o 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as_o 40_o part_n at_o the_o second_o station_n unto_o 100_o so_o 100_o the_o suppose_a height_n to_o 250_o the_o distance_n basilius_n wherefore_o the_o difference_n between_o the_o two_o station_n d_o and_o a_o shall_v seem_v to_o be_v 50_o and_o then_o if_o in_o measure_v of_o it_o you_o find_v it_o more_o or_o less_o the_o proportion_n will_v hold_v as_o from_o t●●_n suppose_a difference_n to_o the_o measure_a difference_n so_o from_o height_n to_o height_n and_o from_o distance_n to_o distance_n as_o if_o the_o difference_n between_o the_o two_o station_n d_o and_o e_z be_v measure_v be_v find_v to_o be_v 30_o as_o 50_o the_o suppose_a difference_n unto_o 30_o the_o true_a