Nr. 18311067
Voltmeter and calibration meter, Hartmann & Braun 1920-1930
Nr. 18311067
Voltmeter and calibration meter, Hartmann & Braun 1920-1930
Vintage/antique volt/calibration meters from Hartmann & Braun AG, Frankfurt/Main.
Beautiful wooden box with beautiful analogue dial with mirror.
Voltmeter was mainly used as calibration meter for 120, 150 and 300 volts.
The four clamp screws are still present and can be adjusted in the 0-position.
I don't know if it is still working properly, I'm not a technician.
Sizes: 20 x 28 x 13 cm - 3250 grams.
The photos are an integral part of the description of the lot.
Will be sent with track and trace.
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