| OCR Text |
Show [ 171 ] 36-i , T. VHAfN' POHT. ~ J)etcrminatioll o.. f time, July 25, l 43-allitudes of tlte sun. OJJ ERVA'I'JON . - Douhlo altitudes ofth sun's lower limb. Time of chrollomctc•r. Duui>IP altitudes of tho Time of chronometer. HUH's lower limb. Dl'g. min. 43 3:) 4:} 18 44 Ot 41 10 44 21 scr. lt. 15 8 :3() 00 60 30 Mean time. h. min. sec. 6 68 67 ?l!I?L, Sf'C. Drg. 1/L'/l. 02 o:l.z 11 :.11 02 42.0 -14 Jj:) 03 1 (). 0 11 5 O:l 42.0 15 ll 04 0 .o 15 22 Index error - + 1 min. 30 HCc. RESULT 01<' CALC ULA'riON. Sf' C. ft. 50 8 10 10 50 15 Advance. ft. min. uc. 1 05 31.8 min. ser. 04 4!i.O 05 14.0 05 47.0 06 22.0 OG 49.5 • Tho daily losing rate of tho chronometer, obtained from the observations at this place, is33''.m. • 3(;,) [ 17-1 J · \C\~P\11': T 01\'" A HJr.IT PH'\JHH;, Bltf)J{Jt;'{ t;Y BlTI'Tt;s ANI> BOIJLIJT;H~, EWII'II ~C\'I''I'r·;ru·: l> CJ·:DAH"'. 1·'! )1~\11 1 U Tilt·: I>IVI l>lNU (;HOIJl' lJ. ' HJ·;L' WJ:J·;.a.'{ J,,\1{1\MIJ'; t\N D < ACJH; .\ LA l'OIJIJI\1-: HlVJ·:Jh. J),·t f'rmillotion of lonl-J if tuft•, .ft:~'l .w, 1 S•l ~3- all ilut!f's of , h clllrus. OIIS E BVATlll , ~. Douhh· altitudes of TitnC' or dHolll)l)l('[('l', Duul,jp ·tlt:ludt•::~ of I Time of t•hrouonwll'r. ;\rr lurul!. \ ll'llllll~. j)p~. 1/II?L. .vr. ft. 47 50 (10 I 1 4(i l)fi IJO 46 27 10 Mrnn time. h. min. .<Jer. lu 41 ItJ 111 /11. .\( 1'. l>tg. IIIII/. 40 :l !J 'i 1!> 11() IJ :l 00 !) 15 05 11 1 .-,. 5 -11 15 f lldt• X C'rrOr + J llllll. ;l() HC'C . Atlvuncc. ft. mnt. 1 03 . <;rr. 63.2 srr. '!I) 10 20 /) ~· 105 It Will. l I 4 fi 17 1H J.ongi ludt'. nun. sec . 3!3 17 ..~'t' C. O't.O fJ!') 5 f><l.O ---. Determination of laliludc, .July 30, 1813-a!Litude of Polaris. On BUVA'l'ION ' • Double altituJes of l 1obris . Timo of dtroHOrnl'lrr. - Dr g. b~ 82 'l'ruo altitude. ruin. 20 21 sec. 00 0{) Index. error ...... + l min. 30 see. RE 'ULT OF CALCULATION. ---- Dr~{. 111in. sec. 11 10 00 lt. min. sec. 10 52 33 - lt. 11 nun. 55 57 src. 11 39 L atitudo. ntin. 02 sec. 19 •• |
