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Show [ 17·1 J ()60 EN 'A MPME 'J ' AT BELLEVUE, 0\ TlfJ:: HIGH'J' BANK OF TJH; MfSl:iOURI JUVI~ H, AT TJH; THADI \G PO 'T OF 'flflo~ AMEltiCAN FUH COMPANY. Dele'rminalion (d'longit·ude, Octoher 2, 1 42-altitude of th.e sun. 0 USEilVA'TIONS. f' lllS'I' ~f. lllt: ,. HEt'ON n !'!J;tlJ f:R. Oouhlc ultit.udo of thf' 'riuw of t'hrotwmctt•r. Double ultit11tlo of the Timt• of chronometer. Hun's lower Jimh. t:mn\; lowrr limb. Det;. 1fti /t. rc. ;,. 48 29 -1.) 10 48 48 2() 10 49 0!) LO I() 49 20 f>O 10 19 :w 10 10 Mean time. h. mi·n. sec. 8 21 41.5 --,I --- mm. src. De g. nun. 07 07.5 I 49 42 08 01.0 49 52 09 OG.G 50 05 09 42.8 50 16 10 10.5 50 24 -- J ndn. nrror - l min. 38 K{'t' . IU~SU L 'l' OJ•' CALCULATION. ft . 1 Advance. mtn. sec. 48 41.6 sec. 25 00 00 o.s !)5 ft. mm. sec. 10 l 0 4.9.8 10 I I 18.6 10 12 00.( 10 12 30.1 10 13 00.0 Longitude. DP!f· mm. sec. 95 47 46 Detc?·rninalion of latitude, .October 2, 1842-altitude of the sun in the nuTidian. OU ERV_o\TION . Doublo altitude of the lowPr limb of the sun. Time of chronometer. l>eg. nun. sec. h.. mtn. sec. 89 58 10 1 32 56 89 58 55 1 3.1 35 9 59 20 1 3t 20 90 00 05 1 36 07 89 69 55 1• 36 55 89 59 45 1 38 31 89 59 40 1 39 32 89 59 JO 1 411 27 89 59 10 1 41 11 89 58 25 l 42 26 89 57 30 1 43 21 89 55 20 1 45 52 661 [ 174 J ENCAMPME ·r AT TIET.LBVTJE, 0 Tim JUGJTT DA K OF THE MJ,. OURf RIVER, .t\T 'J'HE THAlHNG POH'l' OJ<' 'l' ITB AMJ~lUGAN l"IJH (;( MP NY. J)dcnninul ion of longitude: October 3, l ' 1 ~-all it udc rf' I lu' su11. ~· 1 fl S'I' <o E ll! ,_.,. Double altitml•• of the Till!<' tlf ehrouoluf't ,·r. J> nuhlt~ altitud<• of the 'l' iuH' of chrot!W'llllett'r. :mn'.c; lowrr limb. Huu':; lowl'r limb. /Jeg. Tfl/ll. • tl'. ft. nun . Sf c. nc~;. min. SIC. ''· min. .'U /'. 3!1 49 00 !) a:! 1'3. 0 :~~ 311 [)!) !) !Jfi fla o 3!) 29 ,10 !) :31 12 3 :314 23 ·w 5 .n 25.H 39 07 20 5 ;J!l l(). :Z 3 10 00 5 :3/i o.J.s 38 f>G 30 !) J5 48 .:~ :n 57 35 5 !3H 40.0 3A 1 !) 1)0 5 36 19.0 :n '16 10 !) :.HJ 1 ;j, 'l Inuc'<. error - I •niu. !J8 Ace. H.ES UL'r OF' CAI.CUI. A'I'ION. dvnncc•. Lon ~itudc. h. mm. sec:. ft. ww. ::;rc. 3 4 (j 52 1 4!1 3H.5 Determination of loHgilude, October ·1, 1 ~ l2-altiludc of lite sun. OJJS.Blt VA'l'IONS. Double nllilwk of tlJC Tutu· of rhronomcter. Douhlt• altilutft• l'lf tlH• Tm1c of chronowetf•r. sun's lowl·r lrr1h. sun\; low ·r limb. Df~;. min. .')('1'. h. min. sec. fJeg. mi1l. sec. "· nun. sec . 48 ll 10 10 10 20.0 19 lG 50 10 1:1 12.0 48 28 3!J 10 11 J 1.0 19 2:3 15 10 11 01.1 48' . 42 60 10 I I 57.3 1!) :w 30 10 14 22.G 4!} 00 10 10 12 51.0 1 !) :~ 7 00 l() 14 46.0 19 0!.1 05 10 l :l 1 !), 0 49 45 U5 10 15 11.0 -~- Index error " - 1 min. ;J5 ~e~. UE 'UL'l' o•• C ALC U l~ ATlON. M<'an timr. Advuuc . I,ongitudt>. ---··---- ------ -- ·---- DPg. rnin. sec. 95 17 46 h. min. tee. 8 2:3 17.6 lt. min. sec. 1 40 53.2 |