RCA / Cunningham type 71A “Radiotron” vacuum triode
date: label: date made
content: ca 1930
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A plastic 4-pin base with domed envelope. Stamped on base: "[RCA logo] / Cunningham . Made in U.S.A. / Radiotron”, on envelope: “71-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.252994.017
label: accession number
content: 252994
label: catalog number
content: 252994.017
objectType: label: Object Name
content: Electron Tube Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm