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TELEGRAPH BRIDGE AND INSULATION TESTER, 1940's

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TELEGRAPH BRIDGE AND INSULATION TESTER, 1940's

Bridge and insulation tester used in telephone and telegraphy workshops.
Complete with Tangent Galvanometer.

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A0331



2007 The Museum of Technology, The Great War and WWII
Company registered in England No. 7452160, Registered Charity No. 1140352, Accredited Museum No. 2221