National Union type 6H4GT signal diode
date: label: date made
content: ca 1939
name: label: maker
content: National Union Radio Corp.
notes: label: Description (Brief)
content: A 5-pin plastic base with center post, getter flash, T-shaped envelope. Stamped on base: "National / Union / Made in U.S.A. / AU"; on envelope: "6H4 / GT". Reference: https://www.radiomuseum.org/tubes/tube_6h4gt.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 Susan Horle
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.313941
label: catalog number
content: 313941
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: diode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 in x 1 1/4 in; 7.62 cm x 3.175 cm