OF THE MECHANICAL EQUIVALENT OF HEAT. 
375 
Table I., Part 1. — Experiments to ascertain the Effect of Radiation, &c. Time 
occupied by each of the first fifteen, 50 m ; by the last two, 41 m and 41 m 30 s . 
No. 
Mean 
temperature 
of calorimeter. 
Mean 
temperature 
of air. 
Difference. 
Bise of 
temperature 
of calorimeter. 
Correction 
to air 
temperature. 
Thermal effect 
of unit 
difference of 
temperature. 
la 
lb 
392-410 
434-310 
395-790 
404-540 
3-380 + 
29-770- 
0-20 + 
3-40- 
} 1’525 — 
0-1086 
2a 
2b 
390-086 
430-562 
398-330 
404-630 
8-244 + 
25-932- 
0-62 + 
2-96- 
| 2-330- 
0-1048 
3 a 
3 b 
391-056 
435-884 
405-800 
423-227 
14-744 + 
12-657- 
1-52 + 
1-35 — 
j 0-232- 
0-1047 
4 a 
4 b 
395-083 
437-583 
397-514 
410-050 
2-431 + 
27-533- 
0-26 + 
3-06- 
} 0-084- 
0-1108 
ha 
hb 
401-315 
441-385 
409-848 
414-240 
8-533 + 
27-145- 
0-61 + 
3T3- 
} 2-714- 
0-1048 
6 a 
6b 
325-315 
368-900 
330-736 
342-236 
5-421 + 
26"664 — 
0-49 + 
2-96- 
J 0-864- 
0-1075 
7a 
7b 
325-880 
368-940 
327-820 
341-300 
1-940 + 
27-640- 
0-16 + 
2-88- 
J 0-383- 
0-1028 
8 a 
8b 
338-980 
383-250 
346-286 
360-957 
7-306 + 
22-293- 
0-74 + 
2-30- 
} 0-071- 
0-1028 
9 a 
9 b 
344-225 
383-790 
336-196 
342-847 
8-029- 
40-943- 
075- 
4-52- 
j 1-460 + 
0-1145 
10a 
106 
327-350 
373-705 
344-610 
361-645 
17-260 + 
12-060- 
2-00 + 
1-29- 
| 0’564 + 
0-1122 
11a 
115 
333-920 
381-685 
359-248 
373-528 
25-328 + 
8 157- 
3-12 + 
0-67- 
} 2-237 + 
0-1132 
12a 
125 
326-597 
372-650 
345-308 
355-450 
18-711 + 
17-200- 
2-26 + 
1-74- 
} 1-598 + 
0-1115 
13a 
135 
311-930 
355-000 
318-630 
328-244 
6-700 + 
26-756- 
0-66 + 
2-96- 
} 0-600- 
0-1082 
14a 
145 
301-305 
347-650 
322-640 
333-546 
21-335 + 
14-104- 
2-37 + 
1-30- 
} 1-551 + 
0-1036 
15a 
155 
327-560 
372-875 
347-235 
355-375 
19-675 + 
17-500- 
1-92 + 
1-85- 
} 0-742- 
0-1014 
16a 
165 
296-165 
344-810 
315-265 
321-837 
19-100 + 
22-973- 
1- 71 + 
2- 38- 
| 1-534- 
0-0971 
17a 
175 
280-810 
328-730 
295-307 
305-500 
14-497 + 
23-230- 
1- 15 + 
2- 20- 
]> 1-561- 
0-0888 
o 
c 
MDCCCLXXV1II. 
