Raytheon type 7B5 vacuum pentode
date: label: date made
content: ca 1940
name: label: maker
content: Raytheon Company
notes: label: Description (Brief)
content: An 8-pin metal base with center post, T-shaped envelope, flashing at top. Stamped on envelope: "7B5" and "Raytheon / Made in U.S.A. / F9". Reference: https://www.radiomuseum.org/tubes/tube_7b5.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.313948
label: catalog number
content: 313948
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
physicalDescription: label: Measurements
content: overall: 3 1/8 in x 1 1/4 in; 7.9375 cm x 3.175 cm