first Armstrong super-regenerative circuit
date: label: Date made
content: 1922
label: associated date
content: 1922
name: label: associated user
content: unknown
label: maker
content: Edwin Howard Armstrong
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Marion Armstrong
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.314504
label: catalog number
content: 314504
label: accession number
content: 202631
objectType: label: Object Name
content: Receiver
label: Object Name
content: radio receiver
label: Other Terms
content: Receiver; Radio
physicalDescription: label: Measurements
content: overall: 20 in x 12 in; x 50.8 cm x 30.48 cm