All-American type R-14 audio transformer
name: label: maker
content: All-American Radio Corporation
notes: label: Description (Brief)
content: A rectangular black metal housing enclosing a transformer, two contacts either side. Nameplate reads: “Type R-14 Ratio 3 to 1 / All-America / Trade Mark / Audio Frequency Transformer/ Guarantee No. 72477 / All-American Radio Corp. Chicago, 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 Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.325363
label: catalog number
content: 325363
label: accession number
content: 252994
objectType: label: Object Name
content: Transformer, Audio
label: Object Name
content: transformer
label: Other Terms
content: Transformer, Audio; Components; Radio and Television; Radio and Television
physicalDescription: label: Measurements
content: overall: 3 1/2 in x 2 3/4 in x 2 in; 8.89 cm x 6.985 cm x 5.08 cm