342 



Dr. E. van Aubel's Researches on 



Table (continued). 







W. 



K. 





Bismuths. 



Tempe- 

 ratures. 



Electrical 



resistances 



in U.S. 



Variation for 

 1° between 0° and 100°. 



E, 



( 



o 





 20-2 

 99-8 



1 — 1 ' — 1 1 — 1 



666 









It is allowed to cool slowly. 







1 0-1794 | 





Classen IV. 

 2nd rod. 



20 



It is heai 

 



0-1810 



ed to 100°, 



01798 



and allowed to cool very slowly. 





20 



0-1810 



+ 0-00113 



10 3 xl68 35 





52 



01861 









99-6 



2000 









It is allowed to cool again slowly, and it is fouud that the 



1 



values remain constant. 





( 



I 0-1031 [ 

 99-61 | 0-1490 1 +0-C0447 

 It is allowed to cool very slowly. 





Pure electrolyzed 



Classen Bismuth, - 



1st rod. 



1 0-1032 1 

 99-65 0-1491 1 

 It is allowed to cool again very slowly. 









01032 



from 0° to 19°-5 : 4-000412 







19-5 



0-1115 



from 0° to 55° : +0-00426 







55 



0-1274 



from 0° to 99°-72: +0-00447 





1 



f 



99-72 







996 



0-1493 



0-0912 

 01322 







Pure electrolyzed 1 



It is allowed to cool very slowly. 





Classen Bismuth, \ 







00913 



from 0° to 22° 1 : +0-00411 





2nd rod*. 



221 



00996 



from 0° to 56° : +0-00426 



10 3 x 10799 



J 



56 



01131 



from 0° to 99° -7 -.+0 00450 





I 



99-7 



01323 







* We think it will he interesting to give, for the pure electrolyzed 

 bismuth, the values of the influence of magnetism on the electrical 

 resistance. 



AW being the difference between the electrical resistance in the 

 magnetic field and outside of it. 



Temperatures. 



100**. 



Intensity of 

 magnetic field. 



o 





 99-7 



2-9 

 0-415 



about 1560 C.G.S. units. 



