OF THE MECHANICAL EQUIVALENT OF HEAT. 
377 
virtually 14'29 + 1*525 = 1 5 ‘8 1 5 lower than that of the calorimeter. Hence 1 5 • 8 1 5 X 
0T086 = 1'717, which, added to 42761, gives the value for T, 44‘478. 
Table II., Part 1. — Experiments to ascertain the Effect of Radiation, &c. Time 
occupied by each experiment, 41 m . Weight raised for an instant, 18229'0 grains. 
No. 
Revo- 
lutions. 
r. 
Mean 
temperature 
of calori- 
meter. 
Mean 
temperature 
of air. 
Difference. 
Rise of 
temperature 
of calori- 
meter. 
Correction 
to ail- 
temperature. 
Thermal effect 
of unit 
difference of 
temperature. 
la 
lb 
25-5 
23-5 
259-220 
305-925 
268-008 
277-775 
8-788 + 
28-150- 
0-945 + 
2-478- 
j F410 + 
0-0926 
2 a 
2b 
26-0 
22 '92 
261-740 
308-925 
273-313 
286-733 
11-573 + 
22-192- 
1-572 + 
1-850- 
| 3-938 + 
0-1013 
3 a 
3b 
23- 60 
24- 12 
267-270 
318-620 
291-597 
307-351 
24-327 + 
11-269- 
3-590 + 
0-660- 
j 5-741 + 
0-1194 
4a 
46 
22- 75 
23- 17 
298-510 
344-910 
308-706 
316-151 
10-196 + 
28-759- 
1-00 + 
2-33- 
j 1-502 + 
0-0855 
5 n 
5 b 
22-0 
21-08 
311-560 
355-710 
311-188 
317-040 
0-372- 
36-670 — 
0-12 + 
3-38- 
J 1-685 + 
00914 
6a 
66 
217 
21-04 
285-095 
331-865 
300-273 
308-541 
15-178 + 
23-324- 
1-59 + 
1-77- 
j 3-054 + 
0-0873 
7a 
76 
21-3 
19-8 
292-760 
340 '435 
304-393 
312-739 
11-633 + 
27-696- 
1-28 + 
2-23 — 
} 2-709 + 
0-0892 
8a 
86 
21-0 
21 2 
277-730 
328-775 
295-705 
311T47 
' 17-975 + 
17-628- 
2-46 + 
1-21- 
J 5-890 + 
0-1031 
9a 
96 
19-83 
18-79 
301-550 
351-365 
321-510 
324-762 
19-960 + 
26-603- 
1- 90 + 
2- 33- 
J 0-955 + 
0-0908 
e rO 
o o 
rH i — 1 
18-33 
17-85 
300-370 
352-595 
325-183 
335-507 
24-813 + 
17-088- 
2-34 + 
1-29- 
} 2-198 + 
0-0866 
11a 
116 
18-2 
17-24 
277-800 
329-570 
304-655 
317-940 
26-855 + 
11-630- 
2-80 + 
0-86- 
} 2-587 + 
00951 
12a 
126 
16-0 
18-74 
288-400 
336-980 
321-267 
331-820 
32-867 + 
5-160- 
3-20 + 
0-40- 
} 0-935 + 
0-0947 
13a 
136 
18-0 
17-66 
313-820 
364-075 
331-190 
358-747 
17-370 + 
5-328- 
3-73 + 
0-15 + 
} 6-279 + 
0-1577 
14a 
146 
17- 32 
18- 0 
308-585 
356-840 
329-613 
340-123, 
21-028 + 
16-717- 
2-33 + 
1-28- 
} 3-334 + 
0-0956 
15a 
156 
32-0 
18-6 
309-885 
359T00 
331-872 
340-480 
21-987 + 
18-620- 
2-00 + 
1-46- 
J 1-485 + 
0-0852 
3 c 2 
