60i 



^ 50 



UJ 



^ 40 



o 



LJ 

 U- 

 Ll. 

 IJJ 



O 



X 



LU 

 Q 

 Z 



30- 



20- 



lO 

 



Electrode Spacing 



, ^ 6 Inches 



, ,12 Inches 



^ ♦ 24 Inches 



.36 Inches 



40 60 90 



ANGLE OF ELECTRICAL 

 FIELD (Degrees) 



Figure 11. — The effect of the angle of electrical field in relation 

 to electrode spacing using |^-inch electrodes at a width 

 of electrical field of 2 feet with a voltage gradient of 

 1 volt/cm., a pulse frequency of 8 pulses/sec, a pulse 

 duration of ^4^0 milliseconds, and a square wave form. 



28 



