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