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