Sylvania type 203A transmitting triode
date: label: date made
content: ca 1930
name: label: maker
content: Sylvania Electric Products Inc.
notes: label: Description (Brief)
content: A 50-watt transmitting tube with 4-pin brass base, ceramic insulator, and rugged plate, getter stain near base. Tipless, T-shaped envelope. Marked on base: "Type 203-A / Made in U.S.A."; on envelope "Sylvania". Reference: Tyne, "Saga of the Vacuum Tube," page 325-327; https://www.radiomuseum.org/tubes/tube_203a.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.323120
label: model number
content: UV-203-A
label: catalog number
content: 323120
label: accession number
content: 241556
objectType: label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 7 1/2 in x 2 1/4 in; 19.05 cm x 5.715 cm