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[ Marking up obs double alt ] [ by 4th Method Sept 4/62 ] [[line]] [[column one]] Col 1 h m s [18-08-54] [h12-00-00] Sec. 10.14221 - - - -[[connected by dash line to "Tang. 9.9830" in Col. 3]] Hour ang: H. [h9-m04-s29 [[boxed solid and dotted lines]] 6-08-58 [[/boxed solid and dotted lines]] Dec. [[strikethrough]] [[?]] [[/strikethrough]] d. [at gr. alt.] = 17°-38' S. Tang 9.50223 - - - - [[connected by dash line to "Sine 9.4813" in Col. 2]] ______ _______ A. [dif name from d.] 156°-12' N. Tang. 9.64444 _______ ☽︎ Dec. [at least alt.] +7°-2' N. ______ B. - - - - 163°-14 N. - - - - [[connected by dash line to "Cosine --9.98113" in Col. 2]] [C. - - - 135°-57' Cosec. 10.15784 [ _______ [ Least Alt. - - - 4° 22' = Sec. 10.00126 - - [[connected by dash line to "Cotang. 11.11713" in Col. 2]] [ Greater alt. - 17 - 23 _______ Sum - - 157 - 42 ________ 1/2 Sum - - 78 - 51 = Cosine 9.28641 sub. gr alt - - 17 - 23 _______ 1/2 S. - less gr. alt. = 61°-28' = Sine 9.94376 _______ Sum 4 logs - - - - - - - - - - - - 2) 19.38927 ________ 1/2 Z. - - 29°-40' 1/2 - - - Sine 9.69463 Z. - - 59°-21' N. named like bearing Zenith) [[/column one]] [[column two]] - - - - - - - - - - - - - - - - - - - - - - Sine 9.48133 A [ Same off. as H.] - - Cosec. 10.39411 - - - - - - Cosine - - - - - - - 9.98113 ________ [[?]] [Same off. as B] [[left arrow]] Cosine [[left arrow]] 9.85657 _______ G. . . . . . . . . . . Sine 9.81868 = [[G. 41°-12' N in Col. 3]] - - - - - Cotang 11.11713 [[- - - to "Sine 8.88161" in Col. 3]] ________ I. 83°-23' N. - - Tang 10.93581 ________ Dec (d.) +7°-02' [at least alt.] ______ K. - - 90°-25' N. - - - - - [[connected to "Sine 9.99999" in Col 3]] [/column two]] [[column three]] Col 3 --- Tang. 9.98307 ------- Cosine 9.96140 ------ Cosec. 10.53989 ________ F. - 18°-09 S. Cotang. 10.48436 Z 59°-21' N. [F. Less than 90; ______ diff. name from B] G. 41°-12' N. ------ Sine = 8.88161 II less than 90°]- Sec. = 10.93845 [II named as G. ] - - - - - - - - - - Sine = 9.99999 ________ Lat. 41°22' N. Sine 9.82005 [[line across Col 3]] [[/column three]] [[end of page]]