RCA type 7A7LM "Radiotron" vacuum pentode
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An 8-pin plastic base with metal center post, T-shaped metal envelope. Stamped on side: [RCA logo] Radiotron / Made in U.S.A. / 7A7 / LM / X5 / Licensed / as stated / on carton". Reference: https://www.radiomuseum.org/tubes/tube_7a7lm.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.314005
label: catalog number
content: 314005
label: accession number
content: 195337
objectType: label: Object Name
content: pentode
label: Object Name
content: Electron Tube
physicalDescription: label: Measurements
content: overall: 2 5/8 in x 1 1/4 in; 6.6675 cm x 3.175 cm