Method of making photoflash lamp to prevent shred migration into {HEAD ~ tip portion} of {TAIL ~ lamp envelope} during sealing thereof 
Method of making photoflash lamp to prevent shred migration into { HEAD ~ tip portion } of { TAIL ~ lamp envelope } during sealing thereof
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH