Vol,. 6, 1920 PHYSICS: E. H. HALL 149 
TABLE 9: MAGNESIUM. 1 
Ki = —0.008, 2^2 = 0, C2 = 0 
C, or 
(kf-^k). 
at 0° 
Ci = — 23 X 10-» 
Ci = — 27 X 10-« 
Ci- —31 X 10-s 
Q 
So 
(kf k) 
at 100° 
Q 
{kf ^ k) 
at 100° 
a 
{kf ^ k) 
at 100° 
0.001 
0.01 
0.05 
0 
0 
0 
0.51 
5.5 
27.5 
0.001 
0.01 
0.05 
0.5 
0.5 
0.5 
0.34 
3.2 
16.0 
0.001 
0.01 
0.05 
1 
1 
1 
0.15 
1.4 
7.0 
0.001 
0.01 
0.05 
^ The Thomson effect in magnesium was very small, and the values of 5o indicated 
for this metal are exceptionally large. Bridgman, however, describes the specimen 
used as of commercial quality, and thinks it was impure. 
TABLE 10: SILVER. 
Ki = —0.864, iiCa = 0, C2 = 0 
C. or 
C = —25 X 10-6 
Ci = —29 X 10-6 
Ci = —34 X 10-6 
ikf^k). 
at 0° 
So 
{kf 4- k) 
at 100° 
{kf -i- k) 
at 100° 
3 
{kf ^ k) 
at 100° 
0 01 
0 
0.09 
0.007 
0.5 
0.05 
0.007 
1 
0.02 
0.007 
0.10 
0 
0.54 
0.097 
0.5 
0.32 
0.097 
1 
0.14 
0.097 
0.20 
0 
1.04 
0.197 
0.5 
0.61 
0.197 
1 
0.26 
0.197 
0.40 
0 
2.04 
0.397 
0.5 
1.19 
0.397 
1 
0.50 
0.397 
TABLE 11: TUNGSTEN. 
= —3.41, i^2 = 0, C2 = 0 
C, or 
Ci = —100 
X io-« 
Ci = —114 
X 10-6 
Ci = —130 X 10-« 
{kf^k), 
at 0° 
So 
{kf -^ k) 
at 100° 
<z 
So 
{kf -i- k) 
at 100° 
a 
So 
{kf ^ k) 
at 100° 
0.01 
0 
0.05 
0.000 
0.5 
0.03 
0.000 
1 
0.02 
0.000 
0.10 
0 
0.16 
0.090 
0.5 
0.10 
0.089 
1 
0.05 
0.087 
0.20 
0 
0.29 
0.190 
0.5 
0.17 
0.189 
1 
0.08 
0.187 
0.40 
0 
0.55 
0.390 
0.5 
0.32 
0.389 
1 
0.14 
0.387 
