The arrangement of FIG 1 comprises one example of the manner in wich {HEAD ~ the hammer bank} 12 or {TAIL ~ similar devices} can be mounted to undergo reciprocating linear motion, and other arrangements are possible 
The arrangement of FIG 1 comprises one example of the manner in wich { HEAD ~ the hammer bank } 12 or { TAIL ~ similar devices } can be mounted to undergo reciprocating linear motion , and other arrangements are possible
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH