ON THE MECHANICAL EQUIVALENT OF HEAT, 
373 
1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
Times. 
Tempei-atnres. 
Fall of 
tempera¬ 
ture 
between 
stuffing- 
box and 
bearing. 
Readings 
of speed- 
gauge 
(revolu¬ 
tions per 
minute). 
W ater 
supplied 
to 
brake. 
Water 
discharged 
from 
brake. 
Air. 
Stuffing- 
box 
cover. 
Lower 
brass of 
bearing. 
Began II. 17 
O 
(212) 
O 
° 
0 
0 
(302) 
19 
33-k 
211-9 
74-4 
300 
21 
33-5 
2120 
302 
23 
33-57 
212-3 
75-7 
107 
107 
302 
25 
33-58 
211-3 
303 
27 
33-58 
211-5 
76-0 
302 
29 
33-58 
212-2 
, , 
304 
31 
33-57 
211-1 
76-4 
109 
no 
-i 
302 
33 
33-6 
211-0 
299 
35 
33-6 
211-0 
76-5 
299 
37 
33-6 
214*9 
303 
39 
33-6 
213-7 
77-5 
109 
111 
-2 
301 
41 
33-62 
213.3 
301 
43 
33-6 
213-2 
76-8 
299 
45 
33-59 
212-2 
301 
47 
33-64 
211-5 
77-0 
no 
111 
-i 
301 
49 
33-62 
211-8 
303 
51 
33-64 
212-0 
78-1 
304 
53 
33-59 
212-3 
299 
55 
33-59 
212 1 
76-5 
no 
li’i 
-i 
301 
57 
33-58 
212-2 
301 
59 
33-6 
211-8 
77-8 
301 
12.01 
33-62 
211-9 
302 
3 
33-61 
212-0 
78-3 
115 
113 
2 
301 
5 
33-62 
211-5 
300 
7 
33-6 
212-0 
79-0 
300 
9 
33-57 
211-6 
300 
11 
33-59 
211-6 
76-8 
112 
113 
-i 
297 
13 
33-57 
211-5 
•. 
. • 
300 
15 
33-6 
211-3 
77-1 
301 
17 
33-66 
211-5 
.. 
301 
Ended 19 
• • 
(212) 
(302) 
Means . 
33-595 
212-007 
76-9 
110-3 
--57 
• • 
