double-shunt galvanometer
date: label: date made
content: ca. 1870
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Western Union Corporation
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.331930
label: catalog number
content: 331930
label: accession number
content: 294351
label: collector/donor number
content: 100-683
objectType: label: Object Name
content: galvanometer, resistance
label: Object Name
content: galvanometer
physicalDescription: label: Physical Description
content: glass (part: material)
label: Physical Description
content: brass (part: material)
label: Physical Description
content: steel (part: material)
label: Measurements
content: overall: 4 3/8 in x 7 1/2 in; 11.1125 cm x 19.05 cm