All-American model R-15 audio transformer
date: label: date made
content: ca 1925
name: label: maker
content: All-American Radio Corporation
notes: label: Description (Brief)
content: All-American Radio Corporation type R-15 AF transformer in original box. Marked: "Type R-15 Ratio 5 to 1 / All-American / Audio Frequency Transformer / Guarantee No. 103475 / All-American Radio Corp. / Chicago, U.S.A." Standard audio transformer for a broadcast receiver. Unit sold for $4.50.
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.321794
label: accession number
content: 241556
label: catalog number
content: 321794
objectType: label: Object Name
content: transformer
physicalDescription: label: Measurements
content: overall: 3 in x 2 3/4 in x 2 1/4 in; 7.62 cm x 6.985 cm x 5.715 cm