RCA type 6G5 “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. Donor’s card reads: “Electron-ray tube, glass type, made by the Radio Corporation of America in the early 1930s. An early model of the “magic eye” tuning indicator tube. Used to visually indicate, by means of a fluorescent target, the effects of a change in the controlling voltage and was a convenient means of indicating proper tuning of a radio receiver. 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.324594
label: catalog number
content: 324594
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm