GRAVITATION AS AFFECTED BY TEMPERATURE. 
375 
Table II. — July 27, 1915. Silver Balls ( m , m). Lead Spheres (M, M). 
Vacuum Pressure, 14 mm. Oscillation Period, 280 minutes. 
Position. 
T. 
T.R. 
R. ; 
Ampli¬ 
tude. 
Z. 
Range. 
Mean 
range. 
0L- 
9 lt . 
- 
°c. 
°C. 
A 
4.11 
345-0 
37-5 
267-8 
230-3 
155-3 
104-3 
175-0 
i 
17 
13-0 
112-5 
174-9 
216-8 
(174-95) 
200-75 
B 
345•35 
193-0 
297-5 
195-5 
131-4 
88-4 
376-1 
428-9 
376-0 
340-5 
(375-7) 
200•85 
200-85 
A 
345 • 1 
53-3 
257-3 
119-5 
204-0 
137-8 
92-7 
175-0 
174-9 
212-2 
(174-85) 
200-95 
B 
345-4 
425 ■ 9 
342-9 
83-0 
55-9 
37-8 
376-3 
17 
398-8 
376-2 
361-0 
(375-8) 
Heat at 8.2. Stop Heat at 10.2. 
. B 
10.23 
345•45 
241-8 
466-8 
225 • 0 
151-6 
102-1 
376-2 
206 
12-3 
315-2 
376-2 
417-3 
(375-75) 
201-05 
A 
345 • 0 
19-4 
279-2 
_ 
259-8 
174-8 
117-6 
174-7 
- 
198 
104-4 
222-0 
174-7 
(174-7) 
201 • 25 
B 
345 • 35 
476-9 
308-6 
421-8 
168-3 
113-2 
76-1 
376-3 
376-3 
191 
345-7 
(375-95) 
201-25 
A 
10.55 
345-0 
52-7 
256-7 
204-0 
137-1 
92-2 
174-7 
183 
119-6 
174-7 
211-8 
(174-7) 
201-3 
l . 
201-25 
1 
1 
Readings in columns 3, 4, 5, 6, 7, 8 are in millimetres. 
3 E 2 
