The lamp member further includes spacer means for maintaining the first envelope and {HEAD ~ the light transmitting cover} in {TAIL ~ a spaced apart relationship} 
in
The lamp member further includes spacer means for maintaining the first envelope and { HEAD ~ the light transmitting cover } in { TAIL ~ a spaced apart relationship }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL