The universal mounting consists of a first housing having {HEAD ~ a base} attached to {TAIL ~ the boom} and a power driven worm in drive relation with a worm gear in the housing 
attached to
The universal mounting consists of a first housing having { HEAD ~ a base } attached to { TAIL ~ the boom } and a power driven worm in drive relation with a worm gear in the housing
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH