{TAIL ~ Each push button} has a carriage adapted to be fitted on one side with {HEAD ~ an optional leaf spring contactor} engageable with fixed contact members 
{ TAIL ~ Each push button } has a carriage adapted to be fitted on one side with { HEAD ~ an optional leaf spring contactor } engageable with fixed contact members
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH