the Density of the Earth. 
507 
Weights moved to positive position. 
Extreme 
Divisions. 
Time. 
Point of 
points. 
rest. 
h - , „ 
28,8 
24 
11 11 23 "i 
23 
49 *' 
l8,l 
- 
- 
23,2 
22 
18 1 3 -1 
23 
43 ; 
27,8 
— 
- 
23,12 
24 
25 19 \ 
23 
49 ; 
l8,8 
- 
- 
23,2 
23 
32 41 1 
24 
33 1 3 1 
27,38 
- 
- 
23,31 
24 
39 28 -1 
4 ° 3 J 
1 9>7 
- 
- - 
2 3>44 
23 
4 6 33 X 
24 
47 11 s 
27 
— 
- - 
23.52 
24 
53 3 6 X 
23 
5 4 17 ; 
20,4 
— 
— — 
23.57 
23 
0 0 34 -i 
24 
1 18 / 
26,5 
- 
- 
2 3.55 
24 
7 34 ) 
23 
8 21 J 
20,8 
— 
- - 
23.59 
23 
-14 3 ° ) 
24 
15 24 J 
26,25 
Time of mid. 
of vibration. 
h* 1 * 
11 11 37 
18 4,3 
25 4° 
3 3 43 
39 44 
46 46 
S3 4 8 
o ° 55 
7 5° 
14 S 8 
3 T 2 
