The mounting means B carries {HEAD ~ a pipe coupling} illustrated as {TAIL ~ a T member} 20 receiving compressed air through a line 21 through a solenoid valve 22 from a suitable supply of compressed air designated at 23 
illustrated as
The mounting means B carries { HEAD ~ a pipe coupling } illustrated as { TAIL ~ a T member } 20 receiving compressed air through a line 21 through a solenoid valve 22 from a suitable supply of compressed air designated at 23
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH