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Crystal Set Society - http://www.midnightscience.com/
Newsletter and several books about crystal receivers. Crystal set projects, tips for crystal radio design, and crystal radio / antique radio history. |
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Transistor Cross Reference Database - http://www.ee.washington.edu/circuit_archive/parts/cross.html
Useful site if you need a replacement part. |
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JF1OZL in Japan - http://www.intio.or.jp/jf10zl/
Amazing ham radio homebrew pages. Very interesting designs. |
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Mod Transformer Data - http://amwindow.org/tech/htm/modtran/modtran.htm
Specifications and connections for modulation transformers by Kenyon, RCA, Stancor, and Thordarson and UTC. |
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Induction Generator - http://www.qsl.net/ns8o/Induction_Generator.html
How to build dynamotors, and generators from old motors. |