Grayson Evans KJ7UM joins us to talk about the art and science of building with thermatrons!

PERMALINK - https://www.hamradioworkbench.com/podcast/hollow-state-design

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Hollow-State Design 2nd Edition  by Grayson Evans | Apr 24, 2013 (Amazon Link Included above)

Testers: Hickok Tube testers

Resources

Book: Tube Lore - Ludwell Sibley https://www.amazon.com/Tube-Lore-II-Ludwell-Sibley/dp/1532376316

Sprat magazine GQRP Club http://www.gqrp.com/sprat.htm

Electric Radio Magazine  https://www.ermag.com

Hand Made Vacuum Tubes by Claude Paillard https://www.youtube.com/watch?v=EzyXMEpq4qw

Antique radio supply

Hammon electronics transformers https://www.hammfg.com/

Tube depot   https://tubedepot.com/

Tube Lore By Ludwell Sibley

 https://www.amazon.com/Tube-Lore-II-Ludwell-Sibley/dp/1532376316

Electric Radio Magazine https://www.ermag.com/

SPRAT Magazine of the GQRP club http://www.gqrp.com/sprat.htm