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Original Message
GZ34 with a crack - Dang!
Posted by Byrd69 on January 20, 2021 at 06:19:07:
I had an old Mullard GZ34 with a 1/2 long vertical crack about midway up the envelope.
Out of curiosity, what would be the impact of that crack expanding, opening, and allowing the tube to fail while in use?
No...I'm not tempted to try it. It's in the trash.