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Show [ 17-1 J HO l E. CAM PM I·~N. r O"''r A· N re~"1 i. :",N D T!'l Tllg SOtJTil FORK 01~' Tllr. PT.ATTF. IUVER. ))c/C i'lll.l lllt/lO· ii (!../ r t d t'I llult' ' .Jul' lj G' IS42-altilude 'f Puluris. Double altitude of I'ol<ui:;. Sf'(', ~0 no )u(lc·x ClWl Time of chrononlriN. "· I l J l min. II :I !Jj sec. (12 !H H l·:SUl.:.:r Of•' CAI.ClJ f.:\T ror-.. True altitude. Mt'llll time. LatituJc. !Jr~. mm. a c. 4l) o l 11 )Jrg. min. .•cc. ;:,u 57 '.t l h. min. ·'Cf. g 12 :3u Determinal ion of/on,"·i! udc, July G, 1 S L3 - o lt iludc of u. .llquilm. Double altitude of a Aqutlro. Dr g. au b:.l sec. 2~) 10 OH!'>LU ATIO. - ~. Tune of chronometer. h. ~~ u stc. 14 14 n ESULT OF CALCULATION. Mean time. h. mitJ, lite. 9 o7 at Ia. 2 Advance. min. 05 sec. 43 Longitude. IXg. min. 10.1 35 arc: 04 ________ L_ ______ ~--~-- - 60.) [ l74 J EXCA:\1PME:';T ON TilE .. OUTIJ FORK OF Pl.ATTE RIVr.R. Delcrminalim~. of l~;,g·il ~(It·, July 7, lS12- rJl/ilude of a .1/qui!;e. ommnv ATJONs. ------ Double altitude of a Aquilro. Time of chronometer. . --------------------------- Deg. 8:1 84 85 86 86 min. 29 lG I!) 01 4 l 8tc. 20 10 60 20 30 ---- Index error '"" + 16 soc. RESULT OF CALCULATION. Mean time. Advance. h. min. sec. 2 07 17 h. min. sec. 10 02 42 ft. nun. u c. 12 04 15 12 07 07 12 10 54. 12 12 32 12 1·1 37 Longitude. Drg. min. sec. 1U4 02 13 Determination of latitude, July 1, 1812-altitude of Pola1"is. OBSERVATIONS. ----- Double altitude of Polaris. • Dfg. 7~ 79 79 79 79 min. 43 44 49 ol 62 sec. 40 50 00 00 40 --------- - Time of chronometer. ll. J2 12 12 12 12 1uin. 18 21 24 29 33 sec. :37 39 28 54 19 RESULT OF CALCULATION. ------- True altitude. Mean time. Latitude. De~. min. 3Cc. 39 53 11 h. mm. sec. 10 18 17 Deg. 1mn. sfc. 40 33 26 -------------------------~ |