Thread: Largest vacuum tube ever made
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Old 08-04-2011, 04:39 PM
Sandy G's Avatar
Sandy G Sandy G is offline
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Join Date: May 2003
Location: Rogersville, Tennessee
Posts: 9,571
Yeah, I worked w/a fella who was an electronics tech in the Sub Service & he told me of HUGE tubes that they opened up & worked inside...I guess they evacuated 'em after servicing.
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