FIG. 93.-INTERIOR AND EXTERIOR VIEWS OF 3 -POST BLASTING MACHINE 



FIG. 94. Method of Connect- 

 ing Three Leading Wires 

 Post Blasting Machine. 



FIG. 95. Method of Connect- 

 ing Two Leading Wires to 

 3-Post Blasting Machine. 



Series connection with blasting machine. The break in the wires 

 is merely to indicate that any required length of wire may be used 

 between electric fuzes and blasting machine. There must be no break 

 in the actual circuit. 



