and magnetic rotations 
509 
Oscillations of 
Diff. 
h Diff. 
Mean point. 
needle. 
O 
0 
O 
O 
L 0 
R 2 
2 
1 
+ I 
The lamp was now lighted, and set in motion. 
L - 5 
R + 2.? 
7-5 
3-75 
— I.25 
L — 1 
R + 6.5 
7-5 
3-75 
+ 2.75 
L — 3-5 
R + 6.5 
10.0 
5.0 
+ i -5 
L — 5.0 
R + 7.0 
12.0 
6.0 
+ 1 
L — 4.5 
R + 6.0 
10.5 
5.25 
+ 0.75 
L — 3-5 
R + 9.5 
13.0 
6.5 
+ 3 *o 
L — 5.4 
R 4 - 4.5 
9.9 
4-95 
— .45 
L — 4.5 
R 4- 4.0 
8.5 
4.25 
— -25 
L — 2.0 
R + 5-5 
7-5 
3-75 
+ i -75 
L — 3.0 
R + 7 -o 
1 0.0 
5.0 
4- 2.0 
L — 4.0 
R -j- 6.0 
10.0 
5.0 
+ 1 
L — 4.0 
R 4- 6.0 
1 0.0 
5.0 
+ 1 
L — 3-5 
R + 9.0 
12.5 
6.25 
+ 2.75 
L — 10 
R +n -5 
21.5 
10.75 
+ -75 
L — 6.5 
R 4- 1 0.0 
16.5 
8.25 
+ i -75 
rj 6.0 
R + 5-0 
II.O 
5-5 
— 0.5. 
L — 8.0 
R 4- 15.0 
23.0 
11.5 
+ 3-5 
L —14.5 
R 4- 16.0 
3°-5 
15.25 
+ 0.75 
L — 15.0 
R 4- 17.5 
32.5 
16.25 
+ 1-25 
L —19.5 
R 4- 17.0 
3 6 -5 
18.25 
—1.25 
3U 
mdcccxxvi 
