CONDUCTIVITIES OF METALS AND ALLOYS AT LOW TEMPERATURES. 435 
German Silver Rod. Manganine Rod. 
Approx. 1 62 Cu., '15 Ni, *22 Zn. Approx. '84 Cu, '04 Ni, '12 Mn. 
Density at 22° C. = 8 '67. Density at 22° C. = 8'42. 
Temp., 
H. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
Temp., 
H. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
Temp., 
H. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
Temp., 
H. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
°C. 
0 C. 
°C. 
°C. 
+ 17-2 
39-9xlO" 6 
- 116-1 
38-3 x10~ 6 
+ 17-7 
44-6 x10“ G 
-66-8 
44-4x10“° 
17-2 
39-8 
-105-3 
38-4 
17-7 
44-6 
-51-8 
44 • 5 
- 169 • 1 
38-0 
- 95-5 
38-6 
- 161-0 
43-3 
-50-2 
44-5 
- 168-2 
38-0 
- 57-2 
39-0 
- 164-0 
43-0 
-46-3 
44-5 
- 167-7 
38-0 
- 53-3 
39-1 
-163-5 
43-0 
-43-6 
44-5 
- 159-3 
38-0 
- 50-9 
39-1 
- 163-0 
43-0 
-26-0 
44-5 
- 153-0 
37-9 
- 16-5 
39-5 
- 154-5 
43-1 
- 17-5 
44-5 
- 145-8 
37-9 
- 15-5 
39-5 
- 145-3 
43-2 
- 14-0 
44-5 
- 134-6 
38-0 
+ 16-7 
39-8 
- 133-6 
43-4 
-13-5 
44-5 
- 126-9 
38-1 
16-3 
39-8 
- 119-2 
43-9 
+ 13-6 
44-5 
- 109-9 
44-0 
13-8 
44 • 5 
- 98-5 
44-2 
Lipowitz Alloy Rod. 
Approx. *50 Bi, '25 Pb, '14 Sn, 'll Cd. 
Density at 20° C. = 9'66. 
Temp., 
H. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
Temp., 
II. 
scale. 
Resistivity, 
ohm per 
centim. cube. 
°C. 
°C. 
+ 19-6 
47-5 x10~ 6 
- 122-9 
28-9 x10 _fi 
- 176-6 
21-3 
- 92-1 
33-2 
- 178-1 
21-1 
- 89-1 
33-7 
- 178-5 
21 -0 
- 87-0 
34-0 
- 178-5 
20-9 
- 85-1 
34-3 
- 175-7 
21-0 
- 37-4 
40-4 
- 173-4 
21-5 
35-7 
40-9 
- 170-5 
21-8 
- 35-0 
41-0 
- 141-5 
26-1 
- 34-6 
41-0 
- 134-6 
27-4 
j+ 12-1 
46-7 
- 129-3 
27-9 
12-1 
46 • 8 
- 125-4 
28-3 
3 k 2 
\ 
