RCA/ Cunningham type 6E5 “magic eye” tube
date: label: date made
content: ca 1932
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A plastic 6-pin base with domed envelope. Base stamped: "RCA Cunningham / Made in U.S.A. / Radiotron / [RCA logo]"; on envelope: "6E5". Donor’s card reads: “Electron-ray tube, glass type, made by the Radio Corporation of America in the 1930s. A “magic eye” tuning indicator tube for radio receivers. Used to visually indicate, by means of a fluorescent target, the effects of a change in the controlling voltage. Interchangeable with [catalog number 324594]. Heater type: 6.3 volts at .3 ampere.”
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.324595
label: catalog number
content: 324595
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: cathode ray tube
label: Object Name
content: Electron-Ray Tube
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm