ON THE MECHANICAL EQUIVALENT OF HEAT. 
375 
1. ■ 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
Times. 
Temperatures. 
Fall of 
tempera¬ 
ture 
between 
stuffing- 
box and 
bearing. 
Readings 
of speed- 
gauge 
(revolu¬ 
tions per 
minute). 
Water 
supplied 
to 
brake. 
Water 
discharged 
from 
brake. 
Air. 
Stuffing- 
box 
cover. 
Lower 
brass of 
bearing. 
Began 11.11 
(212-4) 
(300) 
13 
34-74 
212-3 
72-0 
302 
15 
34-8 
211-5 
300 
17 
34-71 
212 8 
73-7 
97 
99 
_ 2 
304 • 
19 
34-7 
212-9 
303 
21 
34-69 
211-7 
74-0 
, , 
, , 
299 
23 
34-72 
212-0 
, , 
302 
25 
34-7 
212-6 
73-3 
101 
101 
• • 
303 
27 
34-77 
212-8 
, , 
307 
29 
34-78 
213-5 
74-4 
302 
31 
34-77 
214-0 
, , 
, * 
300 
33 
34-69 
213-2 
74-7 
101 
102 
- i 
301 
35 
35-0 
213-2 
. , 
299 
37 
34-6 
214-0 
75-6 
303 
39 
34-7 
214-4 
^ . 
. , 
307 
41 
34-76 
214-0 
74'7 
104 
103 
i 
302 
43 
34-79 
212-8 
. , 
304 
45 
34-66 
213-0 
74-8 
301 
47 
34-75 
212-3 
300 
49 
34-66 
211-6 
75-7 
105 
104 
1 
297 
51 
34-68 
211-2 
302 
53 
34-68 
212-0 
75-4 
• • 
302 
55 
34-66 
211-6 
299 
57 
34-66 
211-0 
75-3 
104 
105 
- i 
297 
59 
34-58 
211-3 
802 
12.1 
34-6 
212-3 
76-0 
305 
3 
34-59 
212-9 
299 
5 
34-67 
211-8 
76-0 
107 
106 
i 
301 
7 
34-7 
211-4 
302 
9 
34-69 
211-9 
75-8 
, , 
304 
11 
34-68 
211-8 
, , 
302 
Ended 13 
(211-6) 
(300) 
Means . . . 
34-706 
212-46 
74-8 
102-7 
- 0-14 
