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In a follow-up to the amazing vid of a guy fabricating his own triode vacuum tubes, here’s a webpage from a builder who shows how he created his own crude cathode ray tubes.

Homemade Cathode Ray Tubes – Link

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Gareth Branwyn

Gareth Branwyn is a freelancer writer and the former Editorial Director of Maker Media. He is the author or editor of a dozen books on technology, DIY, and geek culture, including the first book about the web (Mosaic Quick Tour) and the Absolute Beginner’s Guide to Building Robots. He is currently working on a best-of collection of his writing, called Borg Like Me.


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