as calculated from a—b 
as calculated from a—c 
1189 
— 
1 
43 
1 
2.46 
2.33 = 1.630° — 1°38’ 
1.557° = 4°34 
the mean 1°36’ having an uncertainty of 2’. This agreement seems 
to support the underlying 
subsidiary circles. 
supposition as to the nature of the 
| B | GAD BoA | PND G 
2300 | 17.84 | 77.5 | 224.2 | 169.7 (1714 | 191.3 | 302.1 160,4 
2245 | 41.10 |170.0 | 5611 | 408.2 | 377.7 | 422.8 | 605.9 | 308.2 
30 | 71.90 315.5 | 990.8 6910 606.9 \680.6 |881.4 422.7 
5 | 105.3 | 457.0 | 1416 | 925.5 | 761.8 | 846.4 1003 435.4 
0 | 135.3 \ 573.0 eee (992.3 | 765.5 | 841.1 | 870.9 | 331.7 
21 45 | 152.8 | 633.0 | 1743 | 926.7 617.3 665 5 515.9 | 212.6 
30 | 154.2 614.0 | 1531 | 690.4 | 301.1 | 402.4 | 272.6 | 72.8 
15 | 136.9 533.5 | 1140 | 407.9 | 181.8 174.7 | 74.60) 15.31 
0 | 109.6 | 349.0 | 700.5 167.9 | 52.4 | 46.5 | 16.62 10.43 
20 45 | 72.95 | 248.5 | 329.7 | 41.18| 10.53| 13.10 | 30.13 | 17.64 
30 | 42.65 124.0 | 103.9 | 9.92| 20.57) 25.78} 41.67) 16.23 
15 | 19.40 44.50 20.88 26.97, 33.30 | 37.13| 29.87) 7.19 
0 | 5.56) 9.15) 30.88) 44.16| 29.25 20.33) 10.92| 2.27 
1945 | 0.91) 6.35) 67.90) 38.71 | 14.14) 12.32] 4.94] 3.95 
30.° |. - 2.33 | 17.60 | 79.71| 19.27] 4.21} 3.70] 11.11] 6.39 
15 | 5.19| 27.10] 61.30] 5.68 | 5.05/ 6.62| 14.79] 5.16 
0 | 7.09) 27.40 | 28.85 | .4.56| 10.17) 12.26] 10.34 2.01 
1845 | 6.64) 19.30) 8.20/ 11.37 | 10.83 11.97] 3.82 | 0.3 
30 | 4.28] 9.10) 6.60] 15.51] 7.60| 6.37) 2.46| 2.36 
5 | 1.97) 2.45] 17.95| 12.36) 2.01 | 2.00} 5.67] 3.4 
o | 0.56] 1.95] 26.32] 5.71 | 1.85] 2.51] 6.40] 2.50 
1145 | 0.42] 4.90| 25.50] 1.72| 4.13] 5.48| 4.83) 0.99 
30 |. 1.23} 8.80| 15.98] 1.76| 6.03] 6.42] 1.71| 0.44 
15 | 2.14] 9.75] 6.01| 3.03] 5.28 | 4.34| 1.75 | 1.06 
0 | 2.25] 6.95]. 1.35} 8.40] 2.60 | 3.65 | 1.87 
1.54 
