"Vacuum Tubes are Cool"
A new design at our Printfection store.
Available as a Tee Shirt, Coffee Mug, or Mouse Pad.
Available in a wide variety of styles, sizes, and colors.

Help support Harris Educational and show your love of Vacuum Tubes, Retro Electronics and DIY!

http://www.printfection.com/Reinventing-Science/Retro-Electronics/_s_370253
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