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Show [ 17·1 J l~NC .1 MPMK~ 'l' ON 'flii~ l\OHTll FOHK OI•' I'I.ATTl~ Hl\'Elt. Dclenninatio ~t tif laliludr, ,Jul.'/ !29, l S 12- ulliltulr r~f PoLaris. 0 BS Jo: If V ·\ T I 01\"S. Tinw of chwn()mc·tl·r. Dr:!. ttl ill. sr.r.. ''· ru ;,, • uc. HI [) : ~ ljo I l U.i «:u H l fl7 ll) 1l 07 -11 S.J (ll' : J J I (!) IU a r !>0 4!) ll 12 H 81 ()0 .., () It H 10 ~H Gl :~ (:0 Jl 16 (;0 I,, 01 10 Jl H 21 A I 4).') (}() Jl :.:o ()!, t-~J ()lj I)() I l ~ l "~ lH ~8 w u 2J (l,) ---- 'l'lwrmonH'trr G0°, I rule rrror + 12 ace. It 1 itU 1.1' 0 P C A f.(' 0 i.ATJO::S. ---- 'fruc nltitude. Mt•an timo. Dt~. min. life. 4:: 38 01 Drg. rntn. 'JfC. 4:t 00 01 !t. mi''· sec. s 68 58 -------------------- I [ J;;t{ Y.;:VCAMPMT:N1, ON TIJg NOHTII FOrm: OF' PLATTE fllrJ~H. /)tfrrminalion nf longilffde, Ju~1J !!!J, 1 S12 altlll:dP tif a. Ar;ui!~ Double nllitude of c.~ At1u ilm. De;. Rl 82 82 min. 2~ 01 35 Iff! C. (}() fiO 30 ommnv \TtoX!'l. Time of chronometer. !t. 10 10 10 min. 47 19 co 11ec. 19 0 11.0 50.5 RESULT OF CALCULATION. Mean time. 1.. fuin. 3er. 8 33 13 AJvuucc. lt. min. uc. 2 Io M I.ongitudc. Deg. mm. arc. 107 29 06 Delerrnination of longitude, July 2 9, 1842-nltilude of .!lrcturU8. Double altitude of Arcturus. -~- - - D'g . !H 91 90 11t<;. 20 60 10 OllSER VAT JON • Time of chronometer. h. 10 10 10 mm. 6.5 67 59 8f!C. 42.0 33.7 05.0 nESUL'r OF CAJ~CULATION. Mean timo. --------------------- h. ruin. 8 41 Longitude. /1. min. :rec. 2 15 57 |