National Union type 1A3 diode
date: label: date made
content: ca 1942
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "Made in U.S.A. / National”. Donor’s card reads: “Diode made by National Union Radio Corporation, Orange, N.J. For use as a detector tube in portable FM radio receivers and in portable high frequency measuring equipment. Heater type: 1.4 volts at .15 ampere. See also: https://www.radiomuseum.org/tubes/tube_1a3.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.324859
label: catalog number
content: 324859
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: diode
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 in x 5/8 in; 5.08 cm x 1.5875 cm