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Show [ 17-l ] lk!r•nuinfllion (J( lrt!iturlr·, Junl' 0, 1 ~ 1 :3-a/lilur!c~ n( l'oltais n . .:r· Ill /1. ?!'> ;J I 7 ·I :I.) 7f> :Hi -,;, •) 'i ;) :1 !) 7f> ·HI Trtlt' allitudl'. I' !.!'· """· .'f'r. .l/ I 7 :.. :I 0 I: 'il: Tl V \'I 0 N • T rtlll' of < hrnnorrWI•'l". .•f'r. "· 10 10 f>O 10 ()() 10 ; !) )t l({l ' \ ('It' II' - 1 fl S( 1', HESI 'VI' Ol~ (' \Ll ' ULJ\TTO' M~·:lll I itt)('. h. Ill 1/. .'if /'. 10 ( ~ :l;) IIIII/. I !l !.o.). .!o.). ~(i :.!!) ,, ' ,, J :H> /)~ :3!) Sl'l'. ·111 f :l :J.! O'l ~li f>~ 111111. Sl't. 0:1 Dt•lt>rminnlion oflnngitudl•, .June D, IS 1:~-alli!u lcs (If the sun. JJo11 :~ ~ 'trtudcs of tlw ::ouli 'H )I)Wl'r li111h. Timt• or t'hi'OIItlllH'It•r. J)tg. Ul/11. .we. ft. min. M'C. 2!1 hl 1.) G :.?:3 O!'J . f> 31 21 )0 21 I U. () uo 20 . 3') "' [)!). 0 . .., 32 21 15 :w 51.0 ;j~ lj J 0!) ;;o 50 0 - - In<.lc error "" - 13 sec. nE 'ULT 01~ CALCULATION. Mean time. h. m'n. l~('r. 6 08 3!) Au-vance. Longitude. ft . m£n. src. 0 }!) 21.6 341 [ 17-l J D~GA~fP \1E~T 0 '1'11'·; SVTOI\\ IHI.L FOH!\, li •\T .f \ Mli.E FI~0\1 IT.' .llJ.\'U' 1'10. ' WITIJ TilE HJ·;PIJJ.SLH'I\.~. ])etermination oflongilurll', .lunr· 10, 1 S 1.3-ultdudt·s of the sun. OB<;J·~It\ ATI O]'I;S. Double altitudes of thl' 'l'irue of thronoJud<'r. sun's lower limb. Douhlc altitwh•:; of thP 'l'imo of chrouom •tcr. sun 'H !own I lluh. -- "· mm .. ,'t'r. JJ •·g . min. G 07 21.0 f>~ 39 De g. rnin. :~er. M 47 40 61 03 55 (19 14.'1 5'~ :l :l 63 36 55 10 25.5 !)l 3!) fi3 ]!J 10 1l 12.5 51 24 62 69 15 1~ 01.1 50 59 Indr x error = - 1 0 sec. RESULT OF CALCULATION. Mean time . I --- /t. Uti fl, 8 " C. 4 63 30 Advance. lt. mm. sec. 0 19 0 11.5 Sf'('. 40 00 1!) :JO 15 lt. rntn. uc. !) 12 13 15 16 17 I .. ongituue. Deg. m111. !Hi 21 5!J.6 37.5 3:1.5 10.6 src. 56 17.0 Determination of latil'ttde, June 10, 1843-altitud<'s of Polc11·is. on EHVATIOX ', Douhlo altitudes of Polari~, Time of chronometer. Dtg. Tnin. er. !t. ruin. sec. 75 21 15 9 !3 2() 75 21 30 11 :35 75 22 40 46 06 75 23 60 17 36 . 75 21 00 1 52 75 21 15 50 28 75 25 00 J'2 0! 75 26 30 5:J 18 7n 26 :30 51 t:3 75 27 15 67 17 Index error ..... - 10 s c. 1m. ULT OF CALCl1 LA 'l'ION. 'frue nlti:U<h·. Mean time. Latitude. D·g. rni1z. sec. h. 7/U fl. Sf C. D1~. min. I!C''• 37 40 50 9 30 03 3~ 03 38 |