344 



Dr. E. van Aubel's Researches on 



Table [continued), 







W. 



K. 



Variation for 

 1° between 0° aud 100°. 





Bismuths. 



Tempe 

 ratures. 



Electrical 



resistances 



in U.S. 



B . 



( 



o 

 166 

 496 

 99-7 



01301 

 0-1285 

 0-1301 









It is allowed to cool rather slowly. 





Classen IV. 

 1st rod. 







0-1307 







16-6 



01295 









49-3 



01281 



-0 00004 j 10 3 x 207-47 





99-7 



01302 



1 





A second investigation showed that the -values of the resistances 



1 



remained constant. 



/ 



16-5 

 49-6 

 99-7 



0-1507 

 01486 

 01501 









It is allowed to cool rather slowly. 





Classen IV. 

 2nd rod. 







01512 







16-5 



01500 









49-5 



0-1479 



-0 00008 



10 3 x 212-94 





99-7 



0-1500 









A second investigation showed that the values of the resistances 



V 



remained constant. 



Pure eleetrolyzed 1 



Classen Bismuth. \ 



1st rod. [ 





 996 



0-0965 

 0-1382 



-f 0-00434 





/ 







996 



0-0952 

 01370 







Pure electrolyzed 



It is allowed to cool very slowly. 





Classen Bismuth. ■{ 







0-0950 



fromO to 21°-9: 4-0-00399 





2nd rod*. 



21-9 



01033 



from 0° to 56° -1 : +000422 





| 



56-1 



01175 



from 9° to 99° -7 : +0-00445 



10 3 x 108-69 



I 



99-7 



0-1372 







We think it will be interesting- to give the value of the magnetic 



Temperatures. 



loof. 



Intensity of 

 magnetic field. 



o 







99-7 



2-89 

 0-402 



about 1560 C.G.S. units. 



