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Show [ 174 ] 336 ENCAMPMENT AT ELM GROVE. JJeterrnination of longitude, A1ay 30, 1843-allitudes of a. Lyrre. 01JSERVA TION • J.'l llST At:Hl •:s. Doulll<' ultitwkA of " Tim<' of rhrottoml'lt•r. l.yrru. Double a ltitmlt'H of a Time of chronometer. L y rtc. Dr~. 111/1/. ,q('('. lt. min. ,<;('('. JJcg. min. 8('('. ft. 1111 n. su. Gr. 12 10 ~~ l l 2~.r, ,) ()5 ~~~ !)() 1~ !)(). 0 67 tiO 00 !) 18 22.0 66 10 ()0 ltl. () ), 0 6R 2H 00 20 3 .5 (j(i 11 10 15 :Hi.O fj9 OL 00 22 0 0 G7 08 00 Hi 4U.O -- - 1 JUI<'J\. <'rror I - I 0 H('(' , HE"iUL'I' OF CALCULATlO Mr:111 timr. Ad Vllll('t'. -- "· 111/IL. scr. "· 1/lill. srr. !J 1 :3 1 0 15 41.2 Determination of /atiturlt', J11fi.'J ~0, lS·'l:l-ulli!udes of Polaris. OBSEH V A'l'lONS. Double altiltHh-s of Pularil{. Ti 111r. of chrouotnel\'r. Dt·g. 111 in. scr. "· rntn. .~cc. ~,1 •1l 10 ~ ~l7 10 1!l 10 :w 12 11 (}() :J.I ~t3 12 GO 34 Qfj 1:3 10 :l7 01 'i:l 00 :38 13 •1 :3 50 40 1!.1 43 10 42 39 44 30 44 31 45 10 46 27 Index err Jr - lU sec. HESUL 'r OF' CALCUI.ATION. 'l'rue altitude. min. 20 sec. 14 Mean timC'. h. m•'n, 9 ~ l sec. '.lJ Latitude. Dg. !3d min. sec. 4!) 41 [ 17 EXCAMPMEN'r ON 1\ ::->MAT.T. 'l'l?lll!J'l''\RV TO TIIB. I Al\RAs Rt Vl~H. Determination nj'latilutll' ./unr 1 lStt '3 1 · ' ' ' · -tt J lllldt s r!} l'ula n"s. 0 II " E H V \ l'TO:\ s. Double ullitlld<'s of Polaris. 'J'illlC' Of' cllro l{)JJH'f('r, "· min. ·' f'('. u '10 {) l 4t !H) '1-1 ()'2 1fi :IH '18 3:3 Dr!{. Ill/ 11. .\((', 'i:> 07 •10 f;) IIH 10 (!) O!J 10 7{; OC) ~0 7!) 10 ou l11 •fi'X C' ITOI =- l() HC'C. HI~ tTL'l' Olo' ( ' \L(' l/1./\T{()N. 'I'rur altitu lc>. D g. 1ntn. ,,u·. :lt :l3 ();) \T •'. Ill tim . ft Ill iII N'(;. C) 2tj 5:1 I Lut it ucl •.. f) '.!{ 111 in. ur. :J 'J 01 1() Drter,ninalion oj' lontriludt· June J 1 s tf) It'! l .r • . ' ) •. . )-(/ l lU t'S f'.J (.1. L!J1 w. OH...,EH 'A1TO ' R, - --- Doulll<' nltitudes of n Lyrn•. 'rime of ( hronouwtcr. !t. m£11. stc. 9 :J!) I ~.5 36 [)fl . 0 37 fJ!J. 5 Deg. nan. ,\'( (', 7() 01 50 76 311 !)O 77 00 •10 ---------- -- Index rror = - I 0 sec. RESULT OF CALCULATION. ~----~~----------~----------· Menu time. li. min. sec. 9 18 49 Advance. lt. min. sec. 0 J7 5J LonzitmJ . Dcg. 9.> llll11. 11 ,yPc. 09 2~;-------~----------------------~------ -------- J |