Jewett "Micro-Dial" vernier radio dial
notes: label: Description (Brief)
content: A vernier dial for radio tuning. Circular plastic plate with molded grip, molded scale 0 to 100 by tens, center mounted control knob operating a brass gear meshed with an internal gear plate. Three-legged copper tension plate, each leg having a friction pad at the end. Set screw. Molded on grip: "Micro-Dial"; on back: "Pat. Pending Manufactured by / Jewett Radio & Phonograph Co. Detroit, Mich. U.S.A."
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.241556.739
label: accession number
content: 241556
label: catalog number
content: 241556.739
objectType: label: Object Name
content: radio dial
physicalDescription: label: Measurements
content: overall: 1 1/2 in x 4 in; 3.81 cm x 10.16 cm