frame ring for radio inductance coil
date: label: date made
content: ca 1920
notes: label: Description (Brief)
content: A metal frame ring possibly used with radio inductance coils 321793.01 thru 321793.03.
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.321793.04
label: accession number
content: 241556
label: catalog number
content: 321793.04
objectType: label: Object Name
content: inductance frame
physicalDescription: label: Measurements
content: overall: 1/2 in x 7 in; 1.27 cm x 17.78 cm