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Show [ 174 J 464 • ENCAMPMF:NT IN DERER'r VALT,F. Y, MONf .. OLAOK OCK\ IHLL'l. Detrrrn innl i or o( lot itude, f) . C"tn!JI' r ·.. w I ' I 3-t~ltit utft• of Polan-; Double attttudc of Pol:'w' Dcg. m:n 7 0 1 SlC !if) 0 B :-. E It VAT £0 ' 'l'ww of ehrnnomrtn f,. 111i11. Sl'C. () !)'l lf) lud('\ error + I lllltl . 10 , 't'. RB~ULT OE' C •\I.CHLA1'H>t'< . ----- True alhtndc. M't'<.ln time. Lntttude II . m m . ser. G ~!l :12 lh>!{ mm sec. "~ I) I) 09 Detj . m 111 . m: 4:~ .30 ,.,,., CAMP OJ:' DBVI::MDER :! ~)- JI ) Delerminotum of latitude. /Jecember 29 18·13-altitudes of Po/.art8 OH ERVATlONS. Double altitudes .1f Pol,ni, Tim~' f chronoructrt -- Deg. nun. sec. li. Tl£1 ~~ . ;)'('( 81> 57 50 7 11 5H 85 57 2() l:l 4() 85 5'7 20 15 07 8·!\ 5ti 00 lfi l tf S5 5H LO 17 lH _.- lnd.cx error ..... + 1 nun. 10 t--ee KE UI.'l' OF CALCULATION. Trul! aititutl.e. Mea.n time. Lotitudr - D(~ rnm . ~cc 11 '27 50 ./kg. mm. 3ec. 42 1)8 39 h. mm. .~ ,-c. 6 42 07 - J [ 174. ] ('t\MI' CW I>Jt;Ufnf!H:H 2!J-:IO Detn·mination ol longiln It, /Jccem ' CJ' og 1 ' .J 3 a!Lt'll r/e<> .r cl . · - • ' · - ' ., f'.J o. ygnz. 0 J:SJ·; IC V .A'l'J ONS. Douhlr ultitudc· ~ o( rz <Jyg11i. ..--- ---·--- {)!·~· ')fl j II. 7!J !)() 7!J '.l7 ~,o 07 7H !l ! 714 I l Mt·<~ 11 tim<'. l•itt" r,l) 00 tJ() :!0 )() )tllfloX ('ll lll' =. + 1 llti!l. tj(l Sl'l'. lt. 111in 7 20 21 ~2 :! t 2!) H E !'I U 1. 'I' ()}<' ( ' A I. C 1J I, \ '1' T 0 'l, ... '1-:W \ 1 ·: ~\H'. ' t·: vJ·: <'\Ml'. Rf'r. 1~.() 2.i. 0 21.0 08.0 1 li. 0 Determination r~j'lal ilurlc, lJcambcr 31, lK l.]- altitudes of Polaris. tl B':il: HVATION • ..;. Douhll' alti t wh·o.: ol P ol.u i!'i. 'l'illlc or chronomdl't. Drf.r. f/1 Ill. ,\1 I'. II . min. St'C. Sf> :30 :!U 7 !12 49 ;; :w 00 31 Hi 85 :lH I)() 35 111 85 :JH 2!j ;j(j 45 5 aH tJO :n M 85 :ls :w :J:J '27 5 as 20 40 20 85 !)"{ 50 " l 4l 85 37 10 4 :J 03 85 37 :Jo 41 31 Jml '" rrror + 1 min. 40 HCC. UE ' ULT Ok, CALCULATION. True altitude. Mean time. Latitude. - Dcg. min. sec. h. min. soc. De g. min. sec. 42 48 5H 7 00 31 1L 10 55 - 30 •• |