File:Corn cob pipe catwhisker radio 1922.png

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Summary

Description
English: A small novelty crystal radio built into a corn-cob pipe.
Date
Source Downloaded from Jack Binns, On the Crest of the Radio Wave in Popular Science, Vol. 101, No. 3 Sept. 1922, Modern Publishing Co., New York, p. 70 on Google Books
Author Unknown authorUnknown author
Permission
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Public domain
Public domain
This media file is in the public domain in the United States. This applies to U.S. works where the copyright has expired, often because its first publication occurred prior to January 1, 1929, and if not then due to lack of notice or renewal. See this page for further explanation.
United States
United States
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Image extraction processThis file has an extracted image: Corn cob pipe catwhisker radio 1922 (cropped).png.
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Date/TimeThumbnailDimensionsUserComment
current00:09, 21 June 2009Thumbnail for version as of 00:09, 21 June 2009300 × 780 (337 KB)Dicklyon{{Information |Description={{en|1=A small cat's whisker radio made on a corn-cob pipe.}} |Source=[http://books.google.com/books?id=6CgDAAAAMBAJ&pg=PA70&dq=radio+short-wave+wavelength+carrier&lr=&as_brr=3&ei=ryI8St2gF4OmkASS4bS6BQ Popular Science, Sept. 19
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