Picture Tubes
12AP4 Manufacturing Process
Removing fluorescent material from a furnace
Joining shank and tube
Tube being subjected to factory tests
Tube undergoing life test
Tube being tested with a special test pattern
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Picture Tubes
Removing fluorescent material from a furnace
Joining shank and tube
Tube being subjected to factory tests
Tube undergoing life test
Tube being tested with a special test pattern