1894-95.] Mr J. C. Beattie on Alloys in a Magnetic Field. 485 
It is to be noted that the second effect only appears in the bis- 
muth alloys : for example, in tellurium, with an extremely large 
positive effect, the latter is proportional to A?4h See “On varia- 
tion of resistance in Nickel, Antimony, Tellurium.” 
{d) Numerical Residts and Diagrams. 
Bismuth-antimony alloys. These are easily cast, and the plates 
can be brought down to almost any desired thinness by simply 
filing. 
Plate I. 
Bismuth, 13*4 grms.; antimony, *7 grms. 
/Length; 29 9 \ 
■< Breadth : 17 ’5 >mms. 
(Thickness; -76) 
Temp. 17° C. 
\/ A + ^ 2 ( \/ A = Trans, effect. 
Field. 
Trans, effect. 
An 
\/ An 
1,360 
- *4422 
•0363 
•1906 
2,890 
-•8601 
•1154 
•3397 
5,610 
-1-5015 
•2921 
•5405 
-2-36 
- 1-4 
11,050 
- 2-3335 
•5703 
•7552 
-2-39 
-1-2 
14,620 
-2-8029 
•7265 
•8523 
-2-40 
-1*2 
15,640 
-2-9634 
•7774 
•8817 
-2-44 
-1-2 
17,000 
-3-0710 
1 
