In 1935, Zenith Radio produced a radio receiver called the Stratosphere model 1000Z. The set used 25 tubes and three loudspeakers, more than any other radio to date. A then-amazing 50W drove its three ...
They say necessity is the mother of invention. Nothing proves this more than the story of how the iconic Zenith Trans-Oceanic portable radio receiver came into existence. Commander Eugene McDonald ...
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