Thermo-electric Powers of Metals and Alloys, 115 



No, 18. 

 Platinoid-Lead Couple. 



One junction at 0° 0. ; the other at pt°. 



E.M.F. 



of Couple 



in C.Gr.S. units. 



Temperature pt° 



in degrees of 



Standard Platinum 



Thermometer. 



E.M.F. 



of Couple 

 in C.Gr.S. units. 



Temperature pt° 



in degrees of 



Standard Platinum 



Thermometer. 



-120250 

 - 105970 



- 92550 



- 82620 



- 66570 



- 54690 



- 44080 



- 34720 



- 30680 



- 27710 



- 15850 



- 16690 



- 15540 



- 12940 



- 3500 



+ 1001 

 + 89 9 

 + 79-4 

 + 72-2 

 + 600 

 + 50-5 

 + 41-2 

 -f 32-8 

 + 29-8 

 + 26-2 

 + 166 

 + 165 

 + 15-3 

 + 125 

 + 4-2 



+ 30 

 + 13290 

 4- 14230 

 + 27200 

 + 41680 

 + 57060 

 + 69980 

 +- 73810 

 + 83450 

 + 96950 

 + 112560 

 + 125160 

 + 134770 

 + 141120 

 + 143760 



O 



- 0-5 



- 12-6 



- 13-4 



- 26 9 



- 42 9 



- 604 



- 75-1 



- 80-7 



- 939 

 -1131 

 -138 6 

 -161-0 

 -182-7 

 -I960 

 -202-9 





No. 19. 

 (Pure) Bismuth-Lead Couple. 



One junction at 0° C. ; the other at pt°. 



E.M.P. 



of Couple 

 in CCS. units. 



Temperature pt° 



in degrees of 



Standard Platinum 



Thermometer. 



E.M.F. 



of Couple 

 in C.Gr.S. units. 



Temperature pt° 



in degrees of 



StandardPlatinum 



Thermometer. 



-754480 

 -673080 

 -590550 

 -573490 

 -479360 

 -398360 

 -317540 

 -208380 

 -153740 

 - 59940 

 + 69530 

 + 153990 

 +212970 



+98-1 



+87-2 

 +75-9 

 +74-2 

 +60-9 

 +50-7 

 +400 

 +261 

 +20-1 

 + 8-5 

 - 7-5 

 -18-5 

 -26-5 



+ 301840 

 + 379590 

 + 506570 

 + 578310 

 + 623330 

 + 744280 

 + 869260 

 + 952840 

 + 1006770 

 + 1074700 

 + 1125800 

 + 1178210 



- 38°5 



- 49-0 



- 6b-6 



- 77-2 



- 837 



- 99-1 

 -122-2 

 - 140-1 

 - 1520 

 -1651 

 -181-6 

 -195-7 



12 



