General Electric type CG-851 triode
date: label: date made
content: ca 1943
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A large glass tube with a metal pin-and-blade base, metal cap with contact, and BT-shaped envelope. Stamped on base: “CG-851”. Donor’s card reads: “Triode made by the General Electric Company for the US government during World War II. Design dates from about 1925, for use as a radio frequency amplifier or modulator up to 3 megacycles, and as a Class B modulator. Filament: 11 volts at 15.5 amperes. As a Class B modulator; 3000 volts at 1 ampere on the plate, 135 volt negative control grid bias, the tube will give 1200 watts of audio. As a Class C radio frequency amplifier up to 3 megacycles; 2000 volts at 850 milliamperes on the plate, 300 volt negative control grid bias, the tube will give 1250 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.324982
label: catalog number
content: 324982
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: 17 1/2 in x 6 in; 44.45 cm x 15.24 cm