493 
the Density of the Earth. 
Experiment vi. Sept. 6. 
Weights in midway position. 
Extreme 
Divisions. 
Time. 
Point of 
Thermometer 
points. 
rest. 
in Air. 
in Weight. 
18,9 
h / 
9 43 
m m 
55.5 
18,83 
10 3 
18,85 
Weights moved to negative position. 
13, 1 
- 
10 12 
- 
55.5 
55,8 
18,4 
- 
18 
15,82 
1.3.4 
missed. 
25 
.3,6 
- 
39 
55.5 
55,8 
17,6 
- 
46 
15,65 
!3> 8 
- 
53 
15»65 
17.4) 
- 
11 0 
15.65 
14.° 
- 
7 
15,65 
17,2 
- 
14 
- 
55.5 
Weights moved to positive position. 
25,8 
- 
23 
17.5 
- 
30 
2i,55 
25.4 
- 
37 
21,6 
l8,l 
- 
44 
21,65 
25.° 
missed. 
51 
2 4>7 
- 
0 5 
19. 
- 
12 
21,77 
24.4 
— 
19 
Motion of arm on moving weights from midway to — = 3,03 
— to + = 5,9 
