General Electric model P-3 AC ammeter

Description (Brief):

GE model P-3 alternating current portable ammeter in a wooden case. A laboratory ammeter with plastic panel, glass-covered mirrored scale, two binding posts, three-position rotary switch. Paper calibration sheet in lid, tested 19 May 1936. A small calibration sticker reads: "12-3-[19]81". Two scales: 1 to 10 amps, and 0.5 to 5.0 amps. Leather handle deteriorated and packed inside meter.

Date Made: 1936

Maker: General Electric Company

Location: Currently not on view

See more items in: Work and Industry: Electricity


Exhibition Location:

Credit Line: from Harold D. Wallace, Jr.

Data Source: National Museum of American History

Id Number: 2019.0252.15Accession Number: 2019.0252Catalog Number: 2019.0252.15

Object Name: ammeter

Measurements: closed: 5 3/4 in x 8 1/2 in x 5 1/2 in; 14.605 cm x 21.59 cm x 13.97 cm


Record Id: nmah_1961420

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