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Radio Broadcast 1930-04

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By 1930 what had been an enthusiast's magazine had become a technical trade journal, with typical simplified cover design. "The Pentode Power Tube," "A Multi-Range Audio-Frequency Voltmeter," and "The Bosch Automobile Radio Receiver," were typical. Sorry about the waviness in the image.



Source: ebay seller powerangers

Restoration by: magscanner