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Licensing

JA.Davidson at the English Wikipedia, the copyright holder of this work, hereby publishes it under the following license:

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Original upload log

• 2007-09-29 22:46 JA.Davidson 1037×555× (96214 bytes) Crystal radio wiring pictorial based on Figure 33 in Gernsback's 1922 book "Radio For All" (copyright expired) with 'Aerial' changed to Antenna by me.