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