General Electric GL446A “lighthouse” triode
date: label: date made
content: ca 1943
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 6-pin plastic base with center post, 3-layered envelope with top contact. Stamped: “[GE logo] GL-446A. Donor’s card reads: “Triode made by the General Electric Company for use in World War II. A three-element tube of the disc-seal construction for use as a Class A amplifier, Class C continuous wave oscillator, or plate pulsed oscillator. The radio frequency cathode construction is made through a disc type capacitor which is incorporated in the tube. A “lighthouse” type, silver-plated throughout for good contact surface. This tube will operate at full capacity up to 337 megacycles. For Class C operation: 250 volts at 20 milliamperes on the plate, negative control grid bias of 5 volts, this tube will deliver watts of radio frequency power.”
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.324509
label: catalog number
content: 324509
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 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm