1933 Transmitting Secret Messages Via Short Wave Radio Military Communication For Sale
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1933 Transmitting Secret Messages Via Short Wave Radio Military Communication: $10.00
Title: Secret Voice for War or Peace Date: 1933 Author: ? Subject: Original vintage magazine article about transmitting secret messages via short wave radio. Article is 4 pages long and contains 9 page. Condition:Excellent All items are shipped flat between layers of cardboard to protect them. _gsrx_vers_827 (GS 7.0.13 (827))