Raytheon type 56 vacuum triode
date: label: date made
content: ca 1938
name: label: maker
content: Raytheon Company
notes: label: Description (Brief)
content: A plastic 5-pin base with domed envelope. Stamped on base: "Raytheon"; on envelope: "56 / Made in U.S.A." Reference: https://www.radiomuseum.org/tubes/tube_56.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322784
label: catalog number
content: 322784
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 in x 1 1/2 in; 10.16 cm x 3.81 cm