the Density of the Earth. 
495 
Experiment viii. Sept. 23. 
Weights in midway position. 
Extreme 
points. 
Divisions. 
Time. 
h / 
19.3 9 46 
19,2 10 45 
Point of 
rest. 
Thermometer 
in Air . 
inWeight. 
19,2 
53’ 1 
53’ 1 
Weights moved to negative position. 
! 3>5 
- 
- 
- 
18,6 
- 
11 3 
1^07 
i 3 > 6 
— 
IO 
1 
Four extreme points missed. 
1 7>4 
- 
44 
14, 1 
- 
51 
15,7 
17,2 
- 
58 
- 
- 
Weights moved to positive position. 
15.7 
- 
0 1 
26,7 
- 
8 
21,42 
1 6,6 
- 
15 
- 
53>*5 
Two extreme points missed. 
25,9 
- 
36 
18,1 
- 
43 
21,9 
2 5,5 
— 
50 
Motion of arm on moving weights from midway to — - ™ 3,13 
— to + ==5,72 
