Developages - Development and Technology Blog

This little tutorial by Jingle Joe shows you how to light thermionic valves (a.k.a. vacuum tubes) with superbright LEDs.

Thermionic Valve LED Mod

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Original post by Gareth Branwyn

This entry was posted on Monday, July 7th, 2008 at 3:00 pm and is filed under Retro. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.