SFR type RP triode
date: label: date made
content: ca 1925
notes: label: Description (Brief)
content: A metal 4-pin base with banana pins and plastic insulator, tipped T-shaped envelope. Horizontal electrode assembly similar to a type TM triode. Stamped on envelope: "S.F.R. / KY" and "RP". Written on base and on stem press: "10360". SFR was the Société Française Radio-Électrique S.A., 79 boulevard Haussmann, Paris 8th. References: Tyne, "Saga of the Vacuum Tube," pages 389-409; https://www.radiomuseum.org/tubes/tube_rp.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 Peter N. Borsi
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.327931
label: catalog number
content: 327931
label: accession number
content: 267757
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: overall: 4 1/4 in x 1 1/2 in; 10.795 cm x 3.81 cm