RCA type UX201A triode
date: label: date made
content: ca 1926
name: label: maker
content: RCA Corporation
notes: label: Description (Brief)
content: A 4-pin plastic base with S-shaped envelope, partly silvered, thoriated filament. Stamped on base: "Radiotron / . UX-201-A- ."; on envelope: "RCA". Includes original box with a seal that reads: "Tested / and found perfect / H. C. Roberts Electric Supply Co." One side and the bottom of the box are missing. Reference: Tyne, "Saga of the Vacuum Tube," pages 315-319; https://www.radiomuseum.org/tubes/tube_ux201a.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.RSN80753U22
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Measurements
content: electron tube, triode: 11 cm x 4.8 cm; 4 5/16 in x 1 7/8 in
label: Measurements
content: overall: 4 1/2 in x 1 3/4 in; 11.43 cm x 4.445 cm