310 
LITTLEHALES, 
BOMBAY—Continued. 
Year. 
Observed. 
Computed. 
o-c. 
o-c 2 . 
O 
o 
1845. 
+17.98 
+18.39 
—0.41 
0.1681 
! 
1847. 
+18.30 
+18.43 
—0.13 
0.0169 
1849. 
+18.87 
+18.45 
+0.42 
0.1764 
1856.. 
+19.10 
+18.59 
+0.51 
0.2601 
1863. 
+19.22 
+18.81 
+0.41 
0.1681 
1867.5 .... 
+19.03 
+18.97 
+0.06 
0.0036 
1868.5 .... 
+19.07 
+19.02 
+0.05 
0.0025 
1869.5 .... 
+19.10 
+19.06 
+0.04 
0.0016 
1870.5 .... 
+19.13 
+19.11 
+0.02 
0.0004 
1871.5 .... 
+19.15 
+19.15 
+0.00 
0.0000 
1872.5 .... 
+19.23 
+19.20 
+0.03 
0.0009 
1873.5 .... 
+19.25 
+19.24 
+0.01 
0.0001 
1874.5 .... 
+19.25 
+19.29 
—0.04 
0.0016 
1875.5 .... 
+19.22 
+19.33 
—0.11 
0.0121 
1876.5 .... 
+19.20 
+19.39 
—0.19 
0.0361 
1877.5 .... 
+19.33 
+19.43 
—0.10 
0.0100 
Probable error of a single observation = ± 8'. 
1878.5 .... 
+19.33 
+19.48 
—0.15 
0.0225 
Period = 600 years. . 
1879.5 .... 
+19.37 
+19.54 
—0.17 
0.0289 
1880.5 .... 
+19.37 
+19.61 
—0.24 
0.0576 
1881.5 ,... 
+19.53 
+19.66 
—0.13 
0.0169 
1882.5 .... 
+19.72 
+19.73 
—0.01 
0.0001 
1883.5 .... 
+19.72 
+19.77 
—0.05 
0.0025 
1884.5 .... 
+19.75 
+19.84 
—0.09 
0.0081 
1885.5 .... 
+19.77 
+19.91 
—0.14 
0.0196 
1886.5 .... 
+19.77 
+19.96 
—0.19 
0.0361 
1887.5 .... 
+19.77 
+20.02 
—0.25 
0.0625 
1888.5 .... 
+20.18 
+20.09 
+0.09 
0.0081 
1889.5 .... 
+20.27 
+20.15 
+0.12 
0.0144 
1890.5 .... 
, +20.33 
+20.23 
+0.10 
0.0100 
1891.5 .... 
+20.42 
+20.29 
+0.13 
0.0169 
1892.5 .... 
+20.50 
+20.35 
+0.15 
0.0225 
1893.5 .... 
+20.58 
+20.42 
+0.16 
0.0256 
1894.5 .... 
+20.68 
+20.50 
+0.18 
0.0324 
1.2432 
Empirical equation for determining the inclination for any year: I = 30°.47 + 
1.67 sin 0.6 (t — 1850) — 12.00 cos 0.6 (t — 1850). 
