Archives:KDKA Letter, 1921
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Revision as of 15:49, 11 August 2009
KDKA Letter, 1921: Archival documents
Westinghouse Electric, Radio Broadcasting from East Pittsburgh, Feb. 18, 1921.
Open letter inquiring about reception of radio broadcast from KDKA, KDKA Letter, 1921, Box HB-013
IEEE Archives, Piscataway, NJ