on the Electrical Resistance of Bismuth. 



197 



(a) Rods of Bismuth s 



} owly cooled 







Temp. 



W. 



Wm. 



Tromtnsdorff bismuth, I 

 absolutely pure 1 



o 



172 



42-7 

 70-8 



04100 

 04050 

 0-3953 



0-4120 

 0-4070 

 0-3966 



Trommsdorff bismuth I. I 



204 

 42-4 

 G9-9 



o-ioco 



0-1092 

 01210 



01010 

 0-1099 

 01217 



Monheim bismuth J 



18-6 

 41-2 



72-2 



1-1295 

 1-0125 

 0-9375 



1-1455 



1-0525 

 0-9435 



Schering bismuth j 



18-2 

 43-5 

 71 



0-2522 

 0-2652 

 0-2789 



0-2572 

 0-2662 

 0-2789 



Trommsdorff bismuth II. J 



20-4 



43 



73 



0-1661 

 0-1713 

 01811 



0-1671 

 01821 



(b) Rods 



of Bismuth 



tempered. 





Trommsdorff bismuth, I 

 absolutely pure 1 



15-2 

 40-7 

 69-7 



0-1788 

 0-1805 

 01812 



0-1790 

 0-1812 



Monheim bismuth <, 



18-4 



43 



70 



0-0934 

 00932 

 0-0909 



00940 

 0937 

 00911 



{ 

 Trommsdorff bismuth II. -j 



16-2 

 403 



74-2 



0-0784 

 0-0774 

 0-0765 



00789 

 0777 

 00770 



Schering bismuth \ 



20 2 



42 



72-4 



0-1239 

 0-1239 

 0-1244 



01254 

 0-1249 

 0-1249 



Trommsdorff bismuth I. \ 



18-2 

 41-6 

 714 



0-0510 

 0-0512 

 00541 



0-0515 

 00517 

 0-0545 



(c) 



(1) B 



Alloys with 

 ods slowly 



Tin. 

 cooled. 





Absolutely pure Tromms- f 



dorff bismuth. \ 



0-39 gr. tin to 100 gr. Bi. [ 



19 



42-8 



71-6 



03364 

 0-3444 

 0-3475 



03374 

 03454 

 0-3475 



Trommsdorff bismuth I. J 

 0-46 gr. tin to 100 gr. Bi. j 



196 

 45-2 



70-6 



0-3966 

 0-4066 

 0-4166 



03976 

 0-4066 

 0-4166 



Sobering bismuth. 

 040 gr. tin to 100 gr. Bi. | 



198 

 41-2 

 698 



0-3643 

 0-3733 

 0-3803 



0-3663 

 0-3743 

 0-3813 



Trommsdorff bismuth II. I 

 0-46 gr. tin to 100 gr. Bi. | 



21 

 426 



71-8 



0-5133 

 0-5258 

 0-5343 



0-5183 

 0-5288 

 0-5363 



Phil. Mag. S. 5. Vol. 25. No. 154. March 1 



