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Description
"Poulsen Valdimar. Photo. No. 3." "Radio exhibition 1936. Center the inventor of the telegraphone, electric magnetic recorder and generator for wireless telegraphy and telephony. Valdemar Poulsen (Dane) and Einar Dessau, in his school days makers of the first amateur radio in the world." Caption by Douglas Perham, part of a series of pictures of "the first amateur station in the world, by Einar Dessau, in Copenhagen, Denmark, in 1907."
Type
image
Format
Black & White
Identifier
C15660F5-DDED-48AC-827B-139277010364 2003-37-180
Subject
Federal Telegraph Company Poulsen arc transmitter Amateur radio stations--History (LCSH) Trade shows (LCSH) Collectors Exhibitions Inventors Dessau, Einar Poulsen, Valdemar
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