Wall-mounted milli-ammeter

Description (Brief):

Milli-ammeter in wooden box screwed on brass base plate. Graduated 0 - 5 by fifths. Box dimensions: 5 1/8 x 5 1/8 x 2 1/2 deep. Brass plate: 5 7/8 x 5 1/8 x 3/16”. No patent date or number --apparently a laboratory construction.

Location: Currently not on view

See more items in: Work and Industry: Electricity

Exhibition:

Exhibition Location:

Credit Line: Gift of Hilda P. Munroe

Data Source: National Museum of American History

Id Number: EM.314899Catalog Number: 314899Accession Number: 212171

Object Name: AmmeterOther Terms: Ammeter; Measuring Devices

Measurements: overall: 5 1/8 in x 5 1/8 in x 2 1/2 in; 13.0175 cm x 13.0175 cm x 6.35 cm

Guid: http://n2t.net/ark:/65665/ng49ca746ab-8429-704b-e053-15f76fa0b4fa

Record Id: nmah_702738

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