GE / RCA type UV201 "Radiotron" triode
date: label: date made
content: ca 1921
name: label: maker
content: Radio Corporation of America
label: maker
content: General Electric Company
notes: label: Description (Brief)
content: A 4-pin brass base shell with ceramic insulator, tipped S-shaped envelope. Stamped on envelope: old style RCA logo, GE logo; on base: "Radiotron / model UV-201 / Patented / Licensed for Amateur / or Experimental Use Only." References: Tyne, "Saga of the Vacuum Tube," pages 298, 309-315, 360; https://www.radiomuseum.org/tubes/tube_uv201a.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 Franklin Wingard
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.323108
label: catalog number
content: 323108
label: accession number
content: 241556
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 1/4 in x 1 3/4 in; 10.795 cm x 4.445 cm