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VARIABLE RESISTANCE & POTENTIOMETER, 1940's

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VARIABLE RESISTANCE & POTENTIOMETER, 1940's

Two adjustable resistances with straight and circular adjustments. The straight version is made by Readirad and the circular is 400 ohms and is made by Igranic. Nothing is known about the maker Readirad.

Bruce Hammond Collection

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A1498



2007 The Museum of Technology, The Great War and WWII
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