National Union type 7193/2-C-22 triode
date: label: date made
content: ca 1942
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: A plastic 8-pin base with center post, T-shaped envelope with two top contacts. Base stamped: “National / Union / GU Made in U.S.A. / JAN-CNU-7193”. Donor’s card reads: “Triode made by the National Union Radio Corporation, Orange, NJ, for the US government during World War II. Plate an grid connections are made to the two caps on the top. Used as a Class A amplifier; 300 volts at 11 milliamps on the plate, 10.5 volt negative control grid bias, plate dissipation 3.5 watts.” See also: https://www.radiomuseum.org/tubes/tube_7193.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.324664
label: catalog number
content: 324664
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: 3 1/8 in x 1 1/4 in; 7.9375 cm x 3.175 cm