vernier radio dial with metal plate
notes: label: Description (Brief)
content: A vernier dial for radio tuning. Circular steel plate with single control knob operating a gear that meshed with an internal gear plate, and a copper friction plate. Scale 0 to 100 by tens. Mounting hole below scale. No extant maker's marks.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.241556.741
label: accession number
content: 241556
label: catalog number
content: 241556.741
objectType: label: Object Name
content: radio dial
physicalDescription: label: Measurements
content: overall: 1 in x 4 in; 2.54 cm x 10.16 cm