Westinghouse type UV201A "Radiotron" triode
date: label: date made
content: ca 1923
name: label: maker
content: Westinghouse Electric Corporation
notes: label: Description (Brief)
content: Brass shell with 4-pins, tipless S-shaped envelope. "Radiotron [arched] / UV-201-A" on base. Donor card reads: "Triode made by the Westinghouse Corporation for the Radio Corporation of America in 1924. A second or third design of the "A" model, with sealing tip concealed in the brass "Shaw" type base. Thoriated tungsten filament: 5 volts at .25 ampere. The best detector and amplifier available at the time, except possibly the Western Electric type VT-1. The tube was used universally by broadcast listeners of the period. Tipless model available in March 1924."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324374
label: catalog number
content: 324374
label: accession number
content: 252994
objectType: label: Object Name
content: electron tube, triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/8 in x 1 3/4 in; 10.4775 cm x 4.445 cm