tubular "AudioTron" radio tube
date: label: date made
content: ca 1915
label: date made
content: ca. 1915
name: label: maker
content: De Forest Radio Telephone & Telegraph Co.
notes: label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: Henry Wolman Jr.
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.328777
label: catalog number
content: 328777
label: accession number
content: 275570
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 5 in x 1 in; 12.7 cm x 2.54 cm