Ateliers DA et DUTILH

Ancient precision voltmeter from Ateliers DA et DUTILH, Paris, type BCF9, no. 672-63. Professional electrical measuring device intended for laboratories, technical workshops and industrial installations, capable of measuring voltages in direct current and alternating current across several ranges. Large analog dial with needle and multiple graduations, several connection terminals and a zeroing system. The inside of the cover retains its original calibration tag indicating calibration values, resistances and temperature coefficients. Untested Fine French craftsmanship in a robust black case, showing patina and signs of use appropriate to its age. An interesting piece for a collector of antique scientific instruments, electrical equipment, laboratory gear, TSF, radio and industrial heritage.

估價:$156.86

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