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Show 35() .1£ 1\C'TfO r CH' Af? I\\';,·J ::l \\ 1> lHHLI"<: SPP! ' f: Hf VJ.;H:, ]),•tcnnnwliun rllnn.~·llut!l', ./11~'} I ." , 1.'::> l3- ultJ/urlcs oj the sun. Olh E 1\ V .\'I' I 0 t'\:-.. I Ill'; 'I' S 1.1111 ..;, Do11hlc• a lt ituclc·~ of tlw bUII •• i )dWI'f lilldl. 'l'inH' 1 f < llronclltll'lc·l. I l>oublc altittJCit•. of' th1• 'l'iuw of l'hronomclcr. cHllt.:J lowl'r lintl.l. f )ll!,'· Ill/ /1, Sl ,. I . t1 l f>l l!i tl'! H ()I) 4'2 ~s (l() 42 ·1'1 20 12 !)f) JO 1e \II tinH'. II. 111 ~~~. :.-·u·. (j 1fl 3t IIIII/ ·' ( I' /)('~. IIlii I. ;l~ tl:l () -1 :l !:-; fl!l Ol.t> 'i :J :n f1D :n.r, 4:1 •II' () I IH.O 4·1 or, 00 !) '.!, () 11 ~w I ndl'\ c·rror H J.;Sll L'I' 0 P ('A LC'l:T LA TION . h. 1 Ji1i11 . M'r . 10 1 :L5 --- .•·r·c. It IlL/ II. src. t10 /ol Ul 511.2 ·1 () 02 :;.s 1 :1o 0'! 07 2 :!."i o:1 !ill.~ t10 U1 :l0.3 Longitude. Dt!{. m i 11. sec. l U1 5 30 l~ N C.A1 fPM I·~ NT AT BOlUN{; :iPIH < ;:-;, Delcrrninat ion of lontJ,·itudr ./u ly 1 S 1 13-a/tiludes of I lie sun. OJ: ~ 1: R \ \'l'JONS. ---------- Douhlt! altitudeB of the sun's low •r l11nb. Timc of t·hronomctcr. Drg. min. sec. lt. mm. src. 101 00 10 10 32 12 5 101 2L 00 3') "" 59.3 102 05 55 34 56.2 102 20 20 35 35.0 102 311 lJ.O 3G 12.3 ... ._ .. ----. Index error - + l min. 50 Rcc. RESULT OF CALCULATION. M<•nn timo. ---· ----·----1-- ft. 'Ill in. 8CC 9 18 35 .. - ---· -·----· Advance. It,. min. I 09 sec. 58.5 Longitude. Deg. min. set.' 105 22 45 357 [ 174 ] ENCAMPME T AT DOlLING ~PRING. ' . Determination o( longitude, J't1.1J lS, 1 13-dislance /rom the 1noon's sN:ond lirnb to I he sun. OlJSERVATIONS. Time of chronometer. A ppan•n t J iHta nee. lt. 10 11 True distance. D~!(. min. aec. 99 26 33 min. 49 60 52 5:3 54 55 57 58 59 00 02 03 01 06 07 08 10 10 11 13 -- sec. 10 11 01 10 JJcg. !)!) 99 99 99 29 99 65 99 03 99 3l 99 32 99 42 99 OJ 99 16 99 39 99 05 99 45 99 50 99 05 99 59 99 68 99 17 99 Index error '""" + 1 min. 30 sec. RESULT 01' CALCULATION. Mean time at Greenwich. lt . min. sec. 16 60 47 mtn. sec. 15 50 45 30 44 20 41 00 43 25 42 45 4.2 15 42 10 4.1 20 4.0 55 40 25 10 00 39 30 38 50 38 10 37 65 37 05 37 2f) 36 35 !l5 40 Longitude. |