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Description
This appears to be a modern advertisement for a CD collection of amateur/wireless sounds that incorporates a reproduction of an advertisement for a involute antenna invented by Charles Herrold.
Type
image
Identifier
A020F0E7-898F-497C-B389-294473655037 L2009-3-1
Subject
Antennas (Electronics) (LCSH) Radio--History (LCSH) Radio broadcasting (LCSH) Herrold, Charles
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