Machlett type 6-C-21 triode
date: label: date made
content: ca 1943
name: label: maker
content: Machlett Laboratories, Inc.
notes: label: Description (Brief)
content: A G-shaped tube with 4-pin ventilated metal base, top and side contacts. Label: “JAN / Machlett” Donor’s card reads: “Triode made by Machlett Laboratories of Springdale, Connecticut, for the US government during World War II. The is a high vacuum triode designed for pulse modulator service at DC plate voltages up to 30,000 and peak plate currents as high as 15 amperes. The 6-C-21 is forced air and radiation cooled, has a maximum plate dissipation of 300 watts and in pulse modulator service will deliver up to 375 kilowatts to a resistive load from a 7.5 kw drive. Thoriated tungsten filament: 8.2 volts at 17 amperes, 1500 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_6c21.html.
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.324970
label: catalog number
content: 324970
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: 12 in x 6 in x 4 in; 30.48 cm x 15.24 cm x 10.16 cm