General Electric type GL2C40 “lighthouse” triode
date: label: date made
content: ca 1955
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 6-pin plastic base with center post, top contact. Donor’s card reads: “Triode made by the General Electric Company. A three cathode tube of the disc seal type used as a Class A radio frequency amplifier at high frequencies. The radio frequency cathode connection is made trough a disc type capacitor which is incorporated in the [so-called lighthouse] tube. Heater type: 6.3 volts at .75 ampere. Can be used as a radio frequency amplifier up to 1200 megacycles, and to 3370 as a continuous wave oscillator.”
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.324702
label: catalog number
content: 324702
label: accession number
content: 252994
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: 2 3/8 in x 1 1/4 in; 6.0325 cm x 3.175 cm