Roller-Smith type TW radio frequency ammeter
name: label: maker
content: Roller-Smith Co.
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 Weston Electrical Instrument Corp.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314390
label: catalog number
content: 314390
label: accession number
content: 203371
objectType: label: Object Name
content: Ammeter
label: Other Terms
content: Ammeter; Measuring Devices
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 1 1/2 in; 8.89 cm x 3.81 cm