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Show [ 174 J EXCAMPMEST 0::'1 TilE ~WEET \\tATER RIVER. Determination oflongiludl', .!itt-rust 1, 1842- allitude oF Arctur 'J us. 0 llSE It V .\T IONS. -- Douulu alt:tuJc of A n:lu us. Timo of chronotnetrr. JJe~;. ''''''· 8er. f1l 46 :.:o "· ,,,n. 8l'C. . 1<! lH 02 sn 4t :w 12 20 56 4 9 0 t ~0 12 2:3 04 lndox l'rror + :z.; ~- U:B~UL'l' OF CALCULATION. -------- Moon timr. lt. 2 Advance. n11n. 2j Ut. ;)g I.ongitudc. LJeg. 109 min. sec. 51 29 lJdermination of la!ilutle, .!lug us! i, 1 ·12- a!litude rf Polm·is. -- OUSE 1\ V ATJONS. Double allitutlo of Po:ariR. Tunc of chronometer. /}g. n1•'n. ,'~CC. lt. min. ~ec. 1 ft!) ~5 l2 30 as 8!) 00 00 12 32 19 fi!) Ol :w 12 3:~ ~5 85 02 30 12 34 57 8) o:1 2() 12 36 21 85 05 0(.) 12 37 48 -- Thermometer 36°. UESULT 0.1-' c~\LCULATION. 'rruc altitude. mm. 30 Str. Jtf • Mean time. lt. 0 10 min. 11 au. 2.) Dc..t. r. , 42 Latitude. min. srr. 27 15 627 [ 17-1 J ENCAMPMENT ON l.ITTtE 8A:'\DY CREEK. Determination of longiludr, .!Jugttsl 8, 1842-a/tilude of llu sun. ODSY.:UVATIONS. ---- FIRST SRnu:s. Ht.:CONU StllU:R. Double altitude of the Time of ('hronomcter. Douhlo altitude of the Time of chronomct.cr. sun's lower limb. J)fg. mrn. ~ec . fl. 44 51 50 7 44 3:1 00 7 H 16 50 7 H 01 00 1 .3 60 50 1 Mean timr. h. mm. atr. 6 03 23 sun's lower limb. m1n. af'a. De~. .,~, n. 21. 4fl.5 4.3 29 2:l 31.0 4:1 16 26 18 .0 43 Oii 26 5:l . !) 42 52 27 29.0 4.2 3~ Thermomcu~r 63°. Index rrror .., + 25 ~·r.. ItF.SUL1' OF CA LCUf.ATJ08, Advance. h. rll i 11. Sf'C . 2 21 30 Sf' C. :10 50 30 25 10 h ffliH. aec. 7 2'i 26.5 7 29 Ot . n 7 29 2!1.4 1 30 06 . !l 1 30 47 .o I.ongitudc. Deg. mm. 3Cc. 110 07 46 Determination of longitude, .llugust 8, 1 81~-al/ itude of .llrcl urus. OllSEitVATIO~S. FlU8T Sr>lln:~. 8}:C:PII' ll HElliER. Double altitude of Arc- Tim of chronometer. Double altitude of Arc- Time of chronometer. turuR. turus. --- Deg. min. sec. lr. tnlll . sec. Dn~. m111. 8t'C. lt. min. sec. 77 I!) 05 1 l 0$; 38 75 21 ~0 11 ll o:.l 76 :39 40 t l 07 3L 75 00 4() 1 1 1l fl8 76 09 30 ll 08 49 74 39 25 11 12 63 - 'fhcrmomctrr 45°. RRSULT OF CALCULATION. Mean time. Advance . J,ongitude. -~------ h. min. sec. lt. Jn n. src. 8 45 07 2 24 31 ----------------L-----------------~----------------- |