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Monday, July 15, 2013

Grayson's Thermatron Timeline

Our friend Grayson put a lot of effort into this very interesting timeline of tubes (aka valves, or thermatrons).  Thanks Grayson!

http://hollowstatedesign.tumblr.com/

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Designer: Douglas Bowman | Dimodifikasi oleh Abdul Munir Original Posting Rounders 3 Column