The lamp member comprises a base, {HEAD ~ a tungsten halogen capsule} supported within {TAIL ~ the base}, a first envelope, and a filament structure axially oriented with the first envelope 
The lamp member comprises a base , { HEAD ~ a tungsten halogen capsule } supported within { TAIL ~ the base } , a first envelope , and a filament structure axially oriented with the first envelope
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD 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