{TAIL ~ The slide} is supported by means of a guide means on the housing , one of {HEAD ~ the two housing limbs} being extended through and past the longitudinal opening and on the side, facing the other housing limb , bears the guide means  
{ TAIL ~ The slide } is supported by means of a guide means on the housing , one of { HEAD ~ the two housing limbs } being extended through and past the longitudinal opening and on the side , facing the other housing limb , bears the guide means
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH