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In Reply to: The questions you ask are not possible to answer posted by Russ57 on January 10, 2007 at 11:54:56:
For an example, check out what it took to make an EF80 (small signal pentode). This is just the mechanical construction - not the cathode chemistry or vacuum pumping...
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Follow Ups
- Tube Construction - kstagger 05:19:54 01/11/07 (2)
- Thanks for a fascinating post! - lipmanl 07:17:49 01/12/07 (0)
- Re: Tube Construction - BrianM23@msn.com 18:33:17 01/11/07 (0)