Roller-Smith DC milliammeter

Maker: Western Union CorporationMaker: Roller-Smith Co.

Location: Currently not on view

Place Made: United States: Pennsylvania, Bethlehem

See more items in: Work and Industry: Electricity


Exhibition Location:

Credit Line: from Western Union Corporation

Data Source: National Museum of American History

Id Number: EM.331774Accession Number: 294351100-077294351294351Catalog Number: 331774

Object Name: Ammetermilliammeter

Physical Description: wood (part: material)metal (part: material)glass (part: material)paper (part: material)Measurements: overall: 6 3/4 in x 6 5/8 in x 4 5/8 in; 17.145 cm x 16.8275 cm x 11.7475 cm


Record Id: nmah_890992

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