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Show [ 17-l ] E~TAMPME 'I' ON THB f=\MOKY HTT.L FOHK, HAT.F' A MILT·~ FHO:Vf IT' Jl :\l' '1' I 0 ~ W TT I[ 'l' lll'~ I~ E P lJ B Ll \ . A N. '· - Dctermi nat iun of fo,gilwh-, ./a 11e 1 O, I S·i 3-cdt it udt·s of u C!Jgni. OBSEI<VATJON'l. ])ouhlo altitud<'S of a ( ·y~ni. Time of rhroHOIIH'lt•r. Dr~. mio. ser. 71 117 5() "'· fl/1?7. .v•·r. 10 10 4A 5 72 3() 00 13 13!) 73 05 :lO l1 115•• 7:l 40 (10 16 ~:!.0 71 16 15 18 20.0 Index: error = - l 0 sec. HESUJ,'l' OF 'ALCULATTl)~. Mean time. Auvanco. Longitude. ENCAMPMENT 0 A TIHDUTARY TO REPUBLICAN FORK. Deterwinalion of latitude, June 12, IS,l3-u/titudfs of Polaris. OllSERVATIONS. Double altitudes of Polaris. Dee. 7G 76 76 76 76 76 76 min. 00 10 10 11 12 12 12 sec. oo ()0 30 50 20 30 50 Index error .., - 12 sec. Time of chronornctt•r. lt. 10 'Tfl/11. Ol 04 Vf 08 ll 12 11 .~('C . 4'l 49 19 5!l •·2 30 48 RESULT OF CA I.CULATION. True nltitutlc. 1YIIn. 04 uc. 18 ,, . !) Mean timo. !VC. 51 J)r~. 39 Latitude. --~--' min. 22 src. 12 • 343 [ 174 ] E. CAMPMEJ. T ON .-\ TRIUUTAHY 'rO TIF.PLDJ.TCA. FORK. Detennillalion oj'lungilurle, J une 12, 1 1:3-ultilluh:s ofo. .flquilte. OBSEl~ ATION~. - ----------- Doullc alti1uucs of a Ac1uilro. Tim • of chronometer. De g. nun. 54 ~!) 65 ::w 66 15 Mean time. lt. min. sec. 10 15 29 sec. ft. min. .vrc. 00 )\) 3 :1 51.5 30 3(} 35 4 20 :J~ :J&.O -- Index Nror - - 12 sec. RESULT O'E' CALCULATION. Advance. LongituJo. --------- -----~ !t. 1w n. src. 0 20 5~.6 Drg. min. sec. n 05 3~ SECOND ENCAMPMENT 0 THE TlUBUTARY TO REPUDI.f A FORK. Detennination of longitude, June 15, 1 ·,t3-otliludes of lite sun. 0 U . E lt V A 'I' LO. "FTnSl' Rt:lllE!'I. 'IF.CO . Jl SI: lltJ; , Double altituJrt:~ of tho Time of chronomc1er. • Double altilmleR of the Time of rhronom tcr. sun's lower limb. Deg. min. sec. 62 4 25 "'5· 52 33 35 61 57 3.) 61 3t 20 61 20 55 Mean time. 8 "C. 33 • I 'iUll' :i lowl'r limb. 'Tnltt. sec. Dtg. Ill ttl. sec. 55 29.5 51 oo ;jO 5G 06.0 50 5:1 :30 57 IJ 1. 0 50 10 45 58 'lA.O 50 :w 15 !j!) 18.0 f>O 19 0() Jude rror -18 HCC. UE ULT 0 CAJ.CUI .. ATION. Advunc '· h. 111111,. 81'C. () 50 1-'1. 6 lt. 'TU in. sec. 5 59 6 00 01 01 ()2 LongituJP. Drg. 7/lin. !) 11 f> 0 29.6 01 .1.) 32.3 02.6 ('C. 1l |