in Alloys of Bismuth and Tin. d73 
Results obtained are :— 
10 
0. pas 
F dx 
29-9 505 —9,830 ergs per C.G.S. unit current per 1° C. 
29°9 “049 =: 10,200 ‘ 
44:3 "9 11,600 33 
48:2 O7 12,500 
50°) “625 12,200 
54:3 "62 12,600 
57°6 "67 13,000 
61:3 66 14,200 
637 “7 1 14,700 
72-0 68 15,300 
From fig. 3, which shows the relation between o and tem- 
perature, it appears that here also o increases more rapidly 
than the absolute temperature, the straight line drawn 
indicating that the Thomson effect vanishes at —53° C. 




VILL. Eeperiments with Alloy No. 3. 
This alloy was found to contain 10:0 per cent. tin. 
Mean diameter. of rods =5°26 mm. 
Mean resistance of rods =0:000107 ohm per mm. 
Some observations taken are shown in Tables VII. and 
VIII. 

