Potential at tlte Electrodes in Vacuum-tube Discharge. 501 



Vvi. 7. 



* 



X 



Table III. — Effect of a Magnetic Field on Cathode Drop 

 at various Gas-Pressures. 



Gas- n 

 pressure > 

 in mm. I 



18 



! ^ nt Without 



(milh ; Field, 

 amps.). 



0-20 

 1-00 



1-50 



1-8U 



2-00 



With 



'■ Field. 

 .760 lines, 



Without 

 Field. 



296 



2:30 



220 



230 



2-50 



232 



300 



240 



4-00 



252 



229 



238 



With 

 Field. 

 6501. 



281) 

 286 



360 35: 



02 



Yerv \o\ 



Without JJIJS Without 5™J 

 tj-u Field. —. , -, iield. 



FieR 6501. Flelcl 4201. 



355 



500 



574 

 567 



468 



544 



538* 



* At this pressure the gas deteriorates with currents of the given magnitude more or less rapidly. 



