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RADIO MAGNAVOX MH1, 1920's

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RADIO MAGNAVOX MH1, 1920's

Designed to replace Headphones on early Wireless sets, before loudspeakers had been perfected because of problems with a strong enough magnet.
The coil is a high enough impedance to connect directly to the output valve of the set. The terminals on the units would carry high voltages, and yet no insulation was thought necessary.

Bruce Hammond Collection

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A1164



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