Vintage Sensitive Research Model A AC/DC "PolyRanger" meter Antique For Sale
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Vintage Sensitive Research Model A AC/DC "PolyRanger" meter Antique:
$17.00
Sensitive Research model A AC/DC PolyRanger Voltmeter/AmmeterThis is a Thermocouple / D'Arsonval type design, responding to DC or AC current. The highest scale is 0 - 1000 Volts or Milliamperes and the most sensitive range is 0-0.3 Volts (300 mV) and 0-10 mA.In fair condition with much wear to case finish, card in lid dates it to 1935.Interesting design for a high quality high precision (for 1935) meter.Thanks for looking!Related Items:
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