SCIENCE— ADVERTISEMENTS 



Apparatus for Producing 

 High- Voltage, Direct Current 



The General Electric Company 

 has available a small 10, 000- volt, 

 100-milliampere, direct- current 

 testing set which embodies the 

 use of the kenotron as a rectifier. 



The outfit can operate on 110 

 volts — 60 cycles. It has no mov- 

 ing parts. 



Schools, colleges, or laboratories 

 should find this outfit of value 

 for any purpose requiring a small, 

 direct current of high voltage. 



Address your inquiry to the Sup- 

 ply Department, Schenectady 

 office. 



General Office 

 Schenectady, NY 



