Lovering and Bond on Magnetic Observations at Cambridge. 81 
TABLE I.—convinvep. 
[th RO 1841. 
Gottingen Time, Meck, May. | June.] July, | Aug. | Sept. | Oct. Nov. | Dec. | Jan. | Feb. |March. 
reckoned from |" 7 29 24 24 28 23 21 27 23 20 26 24 
Mean Noon. 23 30 25 25 29 24 23 28 24 21 27 25 
I— 0) 115.7} 113.5) 109.4] 104.8] 136.5] 90.3 103.0 | 102.5/ 99.4] 97.2] 986 100.0 
5] 115.2 | 112.0 135.9] 90.7 / 103.5] 101.5! 100.3 97.3] 98.4 | 100.0 
10} 116.0 | 112.5) 135.3} 92.6 | 103.6 | 101.2! 100.5 97.2] 98.8} 99.9 
15] 116.4 | 111.9 | 135.0| 92.4} 103.6 | 101.1} 100.0 97.3] 98.9} 99,8 
20) 117.4 | 111.4 | 108.1; 103.1 | 135.7 93.4 | 102.5} 101.7] 99.4| 97.6 98.9] 99.7 
25] 116.5 | 110.4 134.5] 95.4] 103.5|102.0| 99.7 97.8} 99.2} 99.4 
30) 117.1 | 109.2 133.6} 97.2) 103.5 | 102-0} 101.5 97.8} 99.6| 99.8 
35] 117.3] 108.8 132.6] 97.8 103.6} 102.5 | 100.0 97.9} 99.8| 100.1 
40) 117.0 | 108.7) 107.2} 102.0] 131.2} 99.2 103.6 | 102.2} 99.5) 97.8] 99.9 99.8 
45] 116.7 | 108.9 130.8] 100.7 | 103.3) 101.5} 98.0 97.8 | 100.0 | 100.2 
50) 116.7 | 108.1 130.8 | 101.6/ 103.4| 101.5} 98.4 97.9} 99.5/ 100.1 
59) 116.6 | 107.7 130.5 | 101.7] 103.3] 101-3] 99.6 98.0} 99.3] 99.7 
II— 0} 117.0] 107.0! 107.4 101.3 | 129.9} 101.6} 104.3 | 101.7 99.2) 97.5] 99.5|1006 
5) 116.7 | 105.6 128.2] 99.6) 102.9] 102.6] 98's 98.1] 98.9} 99.9 
10) 116.6 129.0} 99.7] 103.8] 103.7] 99.9 98.3] 98.7] 99.9 
15/ 116.2 | 107.5 128.6} 98.0] 103.3| 103.9] 99.8 97.9} 98.5| 99.3 
20) 115.9 | 108.5 | 107.0] 101.6 | 128.0 99.8 | 103.3] 103.5/ 100.9] 97.9 98.2} 98,7 
25) 115.6 | 107.1 127.1} 99.7) 103.3| 103.3 | 100.6 98.2] 97.9) 99.5 
30) 115.6 | 105.4 126.1 | 101.5} 104.1] 102.3] 99.3 98.7] 98.5} 99,2 
35/ 114.9 | 103.6 125.3 | 101.1) 104.0] 101.8] 98/0 98.6] 98.7] 99.7 
40) 114.8 | 104 2| 106.5 | 109.7 | 195.7] 100.4 103.4] 102.1} 98.0} 98.4] 98.4 99.6 
45] 114.5 | 103.9 124.2] 99.4| 102.7] 101.3] 97.6 98.3] 98.4] 99.4 
50/ 114.5 | 102.9 125.0] 99.3| 102.6] 101.5] 98.6 98.4} 98.4] 98.9 
55] 114.7} 103.4 123.5] 97.2) 102.2/ 101.2! 100.3 98.1} 98.6} 98.7 
TII— 0} 114.1] 105.1 | 105.8 103.3} 123.3} 97.7) 101.3 99.9] 97.9] 983] 98.4 | 98.7 
5/ 114.0 | 102.1 122.3] 96.1| 101.0! 100.3) 95.7 98.0} 98.6} 98.4 
10) 113.9; 101.9 121.9} 94.1] 100.3| 100.9} 96.0 97.9] 98.6] 98.7 
15/ 113.7 | 101.9 121.9} 94.7] 100.1] 101.3) 9g2 98.3] 98.3} 98.6 
20/ 113.3 | 102.0} 105.9 | 101.9 | 121.4 95.5| 99.0) 100.1} 97.1) 98.0 98.2) 98.7 
25] 113.6 | 101.9 121.2] 94.8] 98.5) 99.6! 96.7 97.3] 98.2| 98.5 
30} 113.4 | 101.9 121.5| 93.8) 97.4] 100.1] 97.3 97.7] 97.7| 98.7 
35] 113.3 | 102.4 121.2) 93.2} 96.4] 99.9] 97.6 97.6] 97.8] 97.7 
40} 112.3 105.8 | 101.2} 121.2] 93.4] 97.9 100.1] 97.4) 97.5! 97.2] 98.4 
45) 112.2 1206} 94.6) 98.1} 100.3] 96.7 97.5] 97.1] 98.4 
50} 111.9 119.7] 95.1] 97.6] 98.7] 96.7 97.5| 96.9] 98.4 
55) 111.4 119.7/ 95.0) 97.2] 98.8] 95.9 97.0} 97.3] 98.1 
IV— 0} 110.6} 103.4 | 105.7 100.9} 119.7] 95.6] 97.2} 98.6] 96.1 96.7} 96.7] 98.3 
5] 109.4 | 103.5 119.3} 94.6) 96.8] 98.6] 96.0 96.9] 96.9] 98.2 
10) 108.9 119.4} 95.4) 95.7) 98.3] 97.1 97.6] 96.5] 98.0 
15} 108.4 | 100.2 119.4] 94.7) 94.9} 981] 963 96.5} 96.2} 98.1 
20) 108.1 105.5 | 101.5/119.0| 94.2] 95.0 98.4] 95.7] 96.6| 95.8] 97.8 
25] 107.9 119.8} 93.7] 95.1} 97.6] 96.3 96.8] 95.5) 97.6 
30} 107.5 | 101.1 118.9} 92.4) 94.9] 97.5] 96.7 96.5] 95.0) 97.4 
35] 107.1 118.7} 92.6] 95.2) 97.2] 965 96-2} 94.9; 97.3 
40) 106.5 105.6 | 101.6/ 118,9| 93.3] 95.9 97.2} 96.8; 96.2} 94.7, 97.0 
45] 106.3 | 101.7 118.0} 95.9} 95.0] 96.7] 96.6 96.3] 94.6) 968 
50/ 106.1 117.2} 96.5) 93.8] 97.0] 96.5 96.2} 94.3] 96.5 
55 105.9 116.9) 96.7) 93.7] 97.3] 96.5 96.1} 93.8! 96.3 
V— 0/ 105.8 | 102-0] 105.4 101.4/ 116.7} 96.3] 93.6| 97.6 96.0} 96.1] 93.6) 96.0 
5} 105.8 101.5/116.9] 96.9} 93.5 95.9} 96.1} 93.7) 958 
10} 105.9 117.0} 97.8} 93.4 96.4) 95.8} 93.7) 95.6 
15} 105.9 | 101.0 115.8} 98.4} 93.4 96.2| 95.9] 93.1 | 95.4 
20) 106.0 | 102.0! 105.0 | 101.0 115.4] 98.3] 93.6 96.0) 96.4} 926) 95.1 
25) 105.8 97.8| 93.6 95.7) 95.9] 93.1] 95.1 
30} 105.8 | 102.0 115.0} 98.0} 93.9] 97.9] 85.7) 95.7} 93.1] 95.0 
35| 105.9 115.1} 98.1] 94.1] 97.5] 95.3 95.5| 92.8) 94.6 
40} 105.8 104.1/ 101.4} 114.8) 98.2) 94.0 97.5| 95.4) 952) 93.2| 945 
45] 105.7 | 102.2 114.8) 986] 94.6) 97.3] 94.6 94.9] 92.8] 94.2 
50! 105.8 | 101.7 114.8] 988] 95.0) 97.4] 95.0 94.4} 92.5] 93.6 
55| 105.8 | 102.0 114.5! 98.8] 95.1] 97.6! 94.6 94.2] 92.5] 93.6 
11 
