All-American type R-12 audio frequency transformer
date: label: date made
content: ca 1925
name: label: maker
content: All-American Radio Corporation
notes: label: Description (Brief)
content: All-American type R-12 audio frequency transformer. Marked: "All-American / Audio Frequency Transformer / Type R-12 / Ratio - 3 to 1 / All-American Radio Corp. / Chicago". A standard audio transformer, four binding posts.
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.322432
label: catalog number
content: 322432
label: accession number
content: 241556
objectType: label: Object Name
content: transformer
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 2 5/8 in x 2 in; 6.35 cm x 6.6675 cm x 5.08 cm