V BELT 



CONNECTING 

 RODs. 



ELECTRIC MOTOR 



PLUNGING 

 ^^' ELECTRODE 



m[i 



2z3 



GUIDE 

 -RUBBER STOPPER 

 FIXED ELECTRODE 

 OIL 



MERCURY 

 ADJUSTABLE PLATFORM 



SCREW ADJUSTMENT 



FIG. 20. THE " PLUNGING ELECTRODE MECHANICAL INTERRUPTER. 



80 



