RCA / Cunningham type 27 "Radiotron" vacuum triode
date: label: date made
content: ca 1948
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A plastic 5-pin base with mica insulator, domed envelope. Stamped on base: "RCA Cunningham / Radiotron / Licensed only to extent / indicated on carton". Stamped on envelope: "Made in / 27 / U.S.A.". In original box. Patent 2368753, Package for Radio Tubes and the Like, issued to C. I. Elliot, et. al., 6 February 1945 for the box. Reference: https://www.radiomuseum.org/tubes/tube_27.html.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN79796T37
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: tube: 4 1/8 in x 1 1/2 in; 10.4775 cm x 3.81 cm
label: Measurements
content: box: 4 3/4 in x 1 3/4 in x 1 3/4 in; 12.065 cm x 4.445 cm x 4.445 cm