RCA / Cunningham type 45 "Radiotron" triode
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
label: maker
content: E. T. Cunningham, Inc.
notes: label: Description (Brief)
content: A power output triode. Four-pin plastic base, with domed envelope. Base stamped: "RCA Cunningham / Radiotron"; envelope "Made in / 45 / U.S.A." Donor’s card reads: “Triode made by the Radio Corporation of America about 1938. Electrically similar to the CX-345 [catalog number 324418] and to the UX-245, but is a modernized design of elements and envelope.”
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.324419
label: catalog number
content: 324419
label: accession number
content: 252994
objectType: label: Object Name
content: 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 5/8 in; 11.43 cm x 4.1275 cm