. Asiatic Researches. III! iiimiii Mill 112 • MEASUREMENT OF AN ARC (3) X rr «,, .,, o. .....,_,./..'.. 11 34 44.^ (4) X = ,,..... »o,.... 12 34 44 (5) X := ..c .o. ....,,.,„. oo,. .,,o^..' 13 34 44 (6) X rr e. o,........... 14 34 44 (7) X — 605, ... .a,..o,.. 15 34 44 (8) X ::r » , .,.,. ., .., 16 34 44- CP) . -' .. X ~ 60516,91 ....,,= ......., . .,. o.,= , = ..,.,,.,,., 17 34 44 Thefe refults are the fame very nearly as in the above table ist. and ?%, Sin. (59 9 285) is the fame as d in t


. Asiatic Researches. III! iiimiii Mill 112 • MEASUREMENT OF AN ARC (3) X rr «,, .,, o. .....,_,./..'.. 11 34 44.^ (4) X = ,,..... »o,.... 12 34 44 (5) X := ..c .o. ....,,.,„. oo,. .,,o^..' 13 34 44 (6) X rr e. o,........... 14 34 44 (7) X — 605, ... .a,..o,.. 15 34 44 (8) X ::r » , .,.,. ., .., 16 34 44- CP) . -' .. X ~ 60516,91 ....,,= ......., . .,. o.,= , = ..,.,,.,,., 17 34 44 Thefe refults are the fame very nearly as in the above table ist. and ?%, Sin. (59 9 285) is the fame as d in the former eafe. J 8. \¥ith refpe6i; to the compreffioij^ that nothing ma)f be left un- done tQgwe full and eatirefatislaction on that fubjeS:, 1 fliall here add an invefcigation fimilar to that given by ProfeiTor Play fair in the ^ih Yoh o^ ihQ Edinburgh Philofophical TranfO'^i^'ns^ where in place o£; ufing the meyfurrs ot (ingle degrees dur to particular latitudes, twa meafured large amplitudes,are made ufe of, the latitudes of whofe extremities an- determined with great accuracy. Let A, B, B, £, be a meridian of the earth, where ^ is at the equator, and Z) at the pole. Suppofe F to be any point on that: mesid^aii, and F H the radius of curvature of theellipre at the faid.; point. Put A C = a,.. D C ^=b, C being the, ceiiter of the ellipfe, and let A be equal the ande A K F, Jatiiude of F, or let it be the me a fur e of the arc of latitude to rad, a i that is,, the meafure^- of the angle A K FIn psvts of the lad. j.»-=. M-0 F be an mdcli«. D B. Ik^. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Calcutta


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Keywords: ., bookcentury1800, bookdecade1820, bookpublishercalcu, bookyear1820