TRACT 36,
THE WHIRLING-MACHINE.
177
20. May 16, 1786.
Barometer 3074; Thermometer 61.
Began with the Hat side of the large hemisphere, in orderto go regularly through all the intervals of rotation, from 12sec. to 1 sec.
Weight
Time
Weight
Time
Weight
Time
Weight
Time
oz dr
sec.
oz dr
sec.
oz dr
sec.
oz dr
stc.
2 10
13-1
2 12
12'I
3 0
11-4
3 6
10-5
104-
12-7
13
1 19
1
11-2
8
10-3
12-3
14
3 1-8
2
10-9
10
10-0
Hi
12-3
15
11-6
4
10-7
12
9-6
21. May 17, 1786.Barometer 30 - 00 ; Thermometer 60.
3 14
9-3
4 12
8-3
5 10
7-5
6 8
6-7
4 0
9'1
14
8-2
12
7’4
12
6-6
2
9-0
5 0
8-1
14
7-2
7 0
6-5
4
8'9
2
7-9
6 0
7-1
• 4
6-3
6
8-7
4
T8
2
7-0 !
8
6T
8
8-6
6
7‘7
4
6-9
12
60
10
8-5
8
7-6
6
6-8
8 0
6-0
22. May 18, 1786.Barometer 30* 13 ; Thermometer 61.
8
4
6-0
12 0
4-8
21
3-6
44
2-45
8
5-9
13
4-6
22
3-5
48
2-35
12
5-8
14
4-5
1 24
3-3
52
2 25
9
0
5 '7
15
4-3
26
3-2
56
275
8
■5-5
16
4-1
28
3-1
60
2-05
10
0
5-4
17
4-0
30
3-0
2-0
8
5-2
18
3-9
32
2-9
68
1-9
11
0
5-1
19
- 3-8
36
27
8
5-0
20
3-7
1 40
2-55
23. May 22, 1786.Barometer ; Thermometer
72
1-9
80
1-8
100
1-65
124
1-45
7.4
1-85
84
1-75
108
1-6
132
1-4
76
1-85
92-
1-7
116
1-5
140
1-4
After the last number, the thread broke with the 140 or,in winding up, which interrupted the experiments.
VOL. III. N