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Description
Photograph accompanying instructions for Type 936 Receiver Frequency Range 70 to 210 K.C. and 350 to 515 K.C. Serial# 239," Heintz and Kaufman, Ltd., South San Francisco, Calif. 1939.
Heintz and Kaufman Radio--Receivers and reception (LCSH) Thordarson Electric Manufacturing Company Radio--Installation on ships (LCSH) Ships--Electronic equipment (LCSH)
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