584 
MR. R. W, STEWART ON THE ABSOLUTE THERMAL 
thick piece of copper standing in the melted lead, which was kept at a constant 
temperature of 345° C, 
For II. the whole apparatus was taken down and the end of the cojDper bar bent 
round so that it could be directly inserted in the melted lead in the way shown in 
fig. 1. By a coincidence the constant temperature of the lead during this determina¬ 
tion was 345° C. as in I. 
Table C. 2 .— Table giving Cooling Data for Short Copper Bar. 
[Temperature of the room constant at 15° C.] 
Time (t). 
Temperature (0) 
scale divisions). 
Time (t). 
Temperature (9) 
(ill 
scale divisions). 
Time (t.) 
Temperature (0) . 
(in _ I 
scale divisions). 
h. 
m. 
s. 
h. 
ni. 
s. 
h. 
ni. 
s. 
1 
/ 
34 
0 
829 
7 
41 
30 
473 
7 
51 
0 
247 i 
15 
814 
45 
464 
30 
239 
30 
799 
7 
42 
0 
455 
7 
52 
0 
232 
45 
785 
15 
446 
7 
53 
0 
219 
7 
35 
0 
771 
30 
439 
7 
54 
0 
205 
15 
756 
45 
432 
7 
55 
0 
193 
30 
742 
7 
43 
0 
424 
7 
56 
0 
181 
45 
729 
15 
415 
7 
57 
0 
170 
n 
/ 
30 
0 
715 
30 
409 
7 
58 
0 
161 
15 
702 
45 
403 
7 
59 
0 
152 
30 
688 
7 
44 
0 
397 
8 
0 
0 
144 
45 
675 
15 
389 
8 
1 
0 
137 
7 
37 
0 
663 
30 
382 
8 
2 
0 
129 
15 
650 
45 
376 
•8 
4 
0 
114 
30 
638 
7 
45 
0 
309 
8 
6 
0 
102 
45 
627 
15 
364 
8 
8 
0 
92 
7 
38 
0 
014 
30 
357 
8 
10 
0 
83 
15 
602 
45 
351 
8 
12 
0 
75 
30 
589 
7 
46 
0 
345 
8 
14 
0 
67 
45 
579 
15 
339 
8 
17 
0 
57 
7 
39 
0 
568 
30 
333 
8 
20 
0 
49 
15 
557 
45 
328 
8 
23 
0 
43 
30 
547 
7 
47 
0 
323 
8 
26 
0 
38 
45 
536 
30 
313 
8 
29 
0 
33 
7 
40 
0 
527 
7 
48 
0 
302 
8 
34 
0 
27 
15 
515 
30 
292 
8 
39 
0 
22 
30 
507 
7 
49 
0 
282 
8 
49 
0 
15 
45 
497 
30 
273 
9 
9 
0 
7 
7 
41 
0 
189 
7 
50 
0 
265 
9 
29 
0 
3 
15 
480 
30 
256 
• 
