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2 Siemens & Halske Precision Measuring Instru...
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3 Teaching Precision Volt- and Ampermeters, c...
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Spark Coil with Vacuum Scale, c. 1920...
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Measuring Bridge by Hartmann & Braun, c. 1900...
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Ampere and Voltmeter, Galvanometer and Resist...
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Early DC Electric Motor, c. 1900...
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Demonstration Model of the Tesla Generator, c...
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Current-Generating Dynamo, c. 1900...
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Foucault Interrupter Demonstration Model, c. ...
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Lord Kelvin's Patent Multicellular Voltmeter,...
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Group of Electrotechnical Measuring Instrumen...
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Electrophysical Demonstration Model, c. 1890...
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Large Current-Generating Dynamo, c. 1910...
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3 Measuring Instruments...
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French Precision Instrument, 1928...
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Motor Mercury Interrupter by Max Kohl, c. 190...
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Special Apparatus "Ondographe Hospitalier", 1...
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Swiss Precision Construction Kit "The Automat...
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6 Physical Teaching Displays...
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2 European Taxidermy Displays, c. 1920...
