Philips type UV199 "Star" triode
date: label: date made
content: ca 1924
name: label: maker
content: Philips
notes: label: Description (Brief)
content: A large plastic base with 4 brass pins, 8-pointed star logo on top of a lightning bolt. Tipless, T-shaped blue glass envelope. Original record calls this a "Sky Blue" tube. Made and imported by Philips Gloeilampenfabrieken. Unit was subject to patent litigation and a subsequent negotiated settlement in 1925. References: Tyne, "Saga of the Vacuum tube," pages 313-314, 429.
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.321272
label: catalog number
content: 321272
label: accession number
content: 241556
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 3 3/8 in x 1 3/8 in; 8.5725 cm x 3.4925 cm