Northern Electric type 22-A-1 vacuum tube amplifier
date: label: Date made
content: 1923
name: label: maker
content: Northern Electric Manufacturing Company
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 Bell Telephone Company of Canada
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315088.09
label: catalog number
content: 315088.09
label: accession number
content: 215009
objectType: label: Object Name
content: Telephone Amplifier
physicalDescription: label: Measurements
content: overall: 10 1/2 in x 19 in x 7 in; 26.67 cm x 48.26 cm x 17.78 cm