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Show [ 174 J .NOO~ HALT ON A UH\NCJI OF RO.'E,\ ,~, (11{ Jmr·;n RIVER. Delermintllion of latitude, ./lugu.~l 30, J.') 1~~-meridian altitudes of l ite sun. ODSE RV.ATIO~S . Doubh~ altitu(k.s of the ~;un's lower limb. 'J'imc of chronometer. Dt>t;. mm Sfl', !t. 1rl ill. sec. ll:J 05 :J5 1 l'l 02 113 05 30 12 4l 113 l)5 ~0 1 :l 11 !13 05 20 l:J 53 Indc error ..... + 1 min. 22 st'c. .. tESULT OF' C.\ T.C U LATIO . • -----------.-----------------------,-------- True altitude. Appurcnt time of tranfiit. Latitude. Dl'g. mm. lee. 42 14 22 !t. mtn. sec. 1 ll 55 Deg. min. . ec. oti 4t5 46 NOON HALT AT A WAMPY l'L CI~. A I.I'l'TLE DISTANCE FROM ROSEAUX t.;REEK. Determinulion, of lalUude, .IZugust 31, l 8-l3-me1'idian altitudes of the sun. OU ' ERV ATIO 5. Double altitudes of tht! sun's lower limb. Time of chronometer. - - JJcg. mtn. sec. ll ~ 52 . 00 lU 6l 15 II~ 5l 20 ll2 5"0 nO ll~ 51) 10 112 49 :lf> ] 12 1 10 11~ 46 50 --- Jnd' error + 1 min 20 RCc. ........_______ HE 'L" l. .. T OF CALCFLATIO -·------ True altitucl • JJf~. mm. nr. 56 42 03 A ppan•nt tirne of transit. !t. min. s"c. 1 11 3.) lt. nun. sec. 1 12 10 13 01 14 12 15 2l 16 21 17 29 18 34: 19 04 DPg. min. Bff., 41 59 31 393 [ 174 ] E C'AMPM1~ T 0 TJJr:; HO. E \ lJ. r. J)elcrmination rf./ongilut!r, s,p:. I, I ·13-altt'ludes of llle sun. OIJ ERVATIO- • FlJt.;T St:lll l s. Douhlo nltitnucs of the sun'!! luwN L:mb. 'fimo of chrouometer. Douh:o altitu<h·~ of the I Time of chronometer. 1 ~;u ,,':; lower limo. -------1- Detr· 1/i/'11 , sec. ''· m·n. IJf'C. Drg . mm. .9(('. h. min. 41 39 35 5 4.-l (.A 5 41 25 15 48 45 tl 40 31 10 5 til 41 1 I 50 4 !) !l :J, 0 !J!) 2~ ao 64 41 00 50 49 52.7 40 48 50 50 24.!) --------------~-----r- Index error ...... + 1 min. 25 sec. • RE ULT OF ALCULATIO • Mran time. Advance. J.ongitlkle. lt. mm. sec. I 11 55. l h. mm. sec. 4 39 1..12 .. ' Determination of Ia til udr, Sept. 2, 18 13 -altitudes of Polaris. 0 OSE RV AT I OX. -~ ~- -----------,-·----- Double altituucs of Polnril'!. lJe-;. mm. ser. 86 17 .so -. __.__ Jml A error=- 29 sec. T ime of chronometer. k. min. sec. 3 2 03 n. m. nF.SUL'r OF CALCULATIO , - ·-- True n! titudo. DP~. rru'n. tJI'C 4:J 07 ~0 Mean time. !1 . min. sec. 2 IG :l l J.ntitudc. lJf,.,.,.,. . mi11. arc. 41 :JG 10 :~ec. 11.8 0 ' ·" |