CAPACITY FOR HEAT OF METALS AT LOW TEMPERATURES. 
347 
Table XYI. 
(2) Comparison of Debye’s Formula with the Experimental Results when the 
Limit Frequency inserted is such that the Locus coincides with the Atomic 
Heat Curve over the Lowest Portion of the Temperature Range. 
T. 
C, (obs.). 
C p (calc.). 
Difference. 
T. 
C p (obs.). 
C p (calc.). 
Difference. 
1 
Uuminiuro 
1 
, j3v = 394. 
0 
32-4 
0-25 
0-25 
0 
200 
5-14 
5-06 
0-08 
35-1 
0-33 
0-31 
0-02 
250 
5-54 
5-45 
0-09 
80 
2 • 27 
2-26 
o-oi 
300 
5-81 
5-72 
0-09 
100 
3-08 
3-08 
— 
340 
5-98 
5-87 
0-11 
120 
3-74 
3-72 
0-02 
380 
6-13 
5-99 
0-14 
Iron, ($v 
= 385. 
0 
50 
0-98 
0-92 
0-06 
0 
210 
5-36 
5-10 
0-26 
70 
1-86 
1-86 
— 
250 
5-70 
5-38 
0-32 
90 
2-74 
2-75 
-0-01 
310 
6-09 
5-63 
0-46 
110 
3-47 
3-46 
+ 0-01 
350 
6-28 
5-74 
0-54 
150 
4 "50 
4-40 
o-io 
390 
6-41 
5-85 
0-56 
Copper, fiv — 325. 
0 
27-7 
0-32 
0-28 
0-04 
0 
190 
5-37 
5-23 
0-14 
50 
1-32 
1-34 
-0-02 . 
250 
5-70 
5-60 
0-09 
70 
2-43 
2-46 
-0-03 
290 
5-83 
5-75 
0-08 
90 
3-48 
3-35 
0-13 
350 
5-99 
5-91 
0-09 
130 
4-78 
4-47 
0-31 
. 
390 
6-09 
5-99 
o-io 
Zinc, /3v = 230. 
0 
30 
0-94 
0-91 
0-03 
0 
190 
575 
5-67 
0-08 
50 
2-54 
2-50 
0-04 
250 
5-95 
5-90 
0-05 
80 
4-08 
4-08 
— 
310 
6-10 
6-06 
0-04 
100 
4-72 
4-68 
0-04 
350 
6-19 
6-14 
0-05 
140 
5-44 
5-29 
0-15 
390 
6-25 
6-21 
« 
0-04 
Silver, fiv = 215. 
0 
40 
1-99 
1-93 
0-06 
0 
240 
5-94 
5-91 
0-03 
60 
3-32 
3-39 
-0-07 
280 
6-02 
6-00 
0-02 
100 
4-83 
4-82 
o-oi 
300 
6-05 
6-05 
— 
150 
5-55 
5-47 
0-08 
340 
6-12 
6-12 
— 
200 
5-83 
5-76 
0-07 
380 
1 
6-21 
6-19 
0-02 
