Reflecting scale for mirror galvanometer
date: label: date made
content: ca. 1880
label: date made
content: ca 1880
notes: label: Location
content: Currently not on view
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.331317B
label: accession number
content: 294351
label: catalog number
content: 331317B
label: collector/donor number
content: 18-33A
objectType: label: Object Name
content: Galvanometer, Reflecting, Lamp
label: Object Name
content: galvanometer lamp
label: Object Name
content: galvanometer scale
label: Other Terms
content: Galvanometer, Reflecting, Lamp; Measuring Devices
physicalDescription: label: Physical Description
content: metal (part: material)
label: Physical Description
content: wood (part: material)
label: Measurements
content: overall: 7 3/4 in x 15 in x 9 in; 19.685 cm x 38.1 cm x 22.86 cm