RCA type 1S4 "Radiotron" vacuum pentode
date: label: date made
content: ca 1940
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: “[RCA logo] Radiotron / Made in U.S.A. / Licensed / as stated / on carton / 1S4” See also: https://www.radiomuseum.org/tubes/tube_1s4.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.313854
label: catalog number
content: 313854
label: accession number
content: 195337
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
physicalDescription: label: Measurements
content: overall: 2 in x 5/8 in; 5.08 cm x 1.5875 cm