RCA CTC5 in "custom" cabinet - Videokarma.org TV - Video

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RCA CTC5 in "custom" cabinet

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#14

10-12-2023, 10:53 AM

timmy

VideoKarma Member

Join Date: Jan 2011

Location: Delaware ny

Posts: 3,697

I do know that back in the day they would use a copper cap of sorts to seal in the vacuum but later melted over the glass tube to keep the vacuum in which was so much better how could they think a copper cap would last.

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