National Union type 85 twin-diode medium-Mu triode
date: label: date made
content: ca 1933
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: Plastic 6-pin base with top contact, domed envelope. Stamped on base: “National Union"; on envelope: "85 / Made in U.S.A.". Donor’s card reads: “Twin-diode medium-Mu triode made by National Union Radio Corporation, Orange, NJ, about 1937. Used as a combined detector, amplifier, and AVCtube in radio receivers. Heater type: 6.3 volts at .3 ampere. See also: https://www.radiomuseum.org/tubes/tube_85.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.324958
label: catalog number
content: 324958
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Object Name
content: diode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 1 1/2 in; 11.43 cm x 3.81 cm