112 



Profs. Dewar and Fleming on the 



No. 12. 

 Nickel-Lead Couple. 



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





F M F Temperature pt° 



P p ' i in degrees of 



r\ n a •>- Standard Platinum 

 in C.G.S. units. ml . 



Tbermometer. 



E.M.F. 



of Couple 

 in C.G.S. units. 



Temperature pt° 



in degrees of 



Standard Platinum 



Thermometer. 



-188860 

 -158380 

 -150070 

 -130890 

 -110810 



- 95400 



- 85430 



- 57140 



- 45770 



- 26740 



- 25530 



- 14790 

 + 14110 

 + 27570 

 + 42520 



o 



+100-1 

 + 86-3 

 + 82-1 

 + 72-8 

 + 62-6 

 + 54-5 

 + 49-2 

 + 33-8 

 + 27-1 

 + 16-5 

 + 15-7 

 + 9-2 



- 9-0 



- 18-3 



- 28-5 



+ 60180 

 + 72990 

 + 84490 

 + 94230 

 + 109470 

 + 112400 

 + 126290 

 +141470 

 + 156090 

 + 171260 

 + 178190 

 +187180 

 + 189730 

 + 198040 



o 



- 41-1 



- 50-1 



- 59-1 



- 67-0 



- 80-9 



- 83-8 



- 97-6 

 -112 9 

 -130-0 

 -149-7 

 -160-7 

 -175-9 

 -181-5 

 -1955 



i 



No. 13. 

 Pianoforte Steel- Lead Couple. 



One junction at 0° O. ; the other atpt . 



E.M.F. 



of Couple 

 in C.G.S. units. 



Temperature pt° 



in degrees of 



StandardPlatinum 



Thermometer. 



E.M.F. 



of Couple 

 in C.G.S. units. 



Temperature pt° 



in degrees of 



Standard Platinum 



Thermometer. 



+96030 

 + 87140 

 +77200 

 +68730 

 +59260 

 +50250 

 +40480 

 +32890 

 +30290 

 +26040 

 + 17330 

 +15900 

 +15000 

 +13310 

 + 4220 



+100°1 



+ 89-9 

 + 79-1 

 + 70-3 

 + 60-2 

 + 50-8 

 + 41-2 

 + 33-0 

 + 31-8 

 + 26-2 

 + 184 

 + 16-3 

 + 152 

 + 12-4 

 + 5-1 



- 1460 



- 12920 



- 16100 



- 30680 



- 47310 



- 65250 



- 81810 



- 84660 

 -101240 

 -124030 

 -145180 

 -163340 

 -177260 

 -184770 

 -189650 



o 



- 0-8 



- 12-2 



- 15-3 



- 29-6 



- 46-0 



- 63-7 



- 79-3 



- 80-8 



- 98-7 

 -1205 

 -144-6 

 -167 1 

 -185-6 

 -196-3 

 -2040 



