National Union type 804 power pentode
date: label: date made
content: ca 1943
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: A plastic 5-pin base with top contact, T-shaped envelope. Envelope stamped: “National Union / 804.” Donor’s card reads: “Power pentode made by United Electronics Co., of Newark, N.J. for the US government during World War II. Used for transmitting purposes. Thoriated tungsten filament: 7.5 volts at 3 amperes. Used as a Class C amplifier this tube will deliver up to 90 watts radio frequency power.” See also: https://www.radiomuseum.org/tubes/tube_804.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.324966
label: catalog number
content: 324966
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 2 in; 19.05 cm x 5.08 cm