140 MEASUREMENT OF HIGH TEMPERATURES. Ibull.54. 
Table 33. — Temperature-coefficients of platinum alloys — Continued. 
No. 
T 
r t 
10 3 Xao 100 
lOSxajoo 350 
f 
4 
23 
0.413 
1.80 
1.61 
4 
100 
0.468 
4 
357 
0.635 
5 
25 
0.472 
1.46 
1.02 
Ag..< 
5 
100 
0.522 
5 
357 
0.675 
G 
25 
0.631 
1.02 
0.71 
6 
100 
0.678 
6 
357 
0.794 
7 
19 
0.408 
1.75 
1.62 
7 
100 
0.464 
7 
357 
0.630 
8 
19 
0.441 
1.53 
1.48 
Pd..< 
8 
100 
0.494 
8 
357 
0.658 
• 
9 
19 
0.501 
1.29 
1.18 
9 
100 
0.552 
9 
357 
0.701 
r 
10 
19 
0.408 
1.72 
1.61 
10 
100 
0.463 
10 
357 
0.628 
11 
18 
0.425 
1.63 
1.50 
Ir... s 
11 
100 
0.480 
11 
357 
0.641 
12 
18 
0.495 
1.28 
1.21 
12 
100 
0.546 
12 
357 
0.697 
1 
13 
18 
0.640 
0.89 
0.83 
13 
100 
0.686 
13 
357 
0.821 
14 
18 
0.678 
0.80 
0.72 
Cu..< 
14 
100 
0.722 
14 
357 
0.847 
15 
18 
1.205 
0.20 
0.20 
15 
100 
1.225. 
15 
357 
1.286 
1(5 
17 
0.443 
1.68 
1.46 
16 
100 
0.503 
16 
357 
0.668 
17 
17 
0.506 
1.34 
1.19 
m..s 
17 
100 
0.561 
17 
357 
0.714 
18 
18 
0.673 
1.05 
0.87 
18 
100 
0.730 
18 
357 
0.880 
( 
19 
18 
0.572 
1.09 
1.04 
Co. J 
19 
100 
0. 622 
I 
19 
357 
0.772 
(794) 
