British type R triode
date: label: date made
content: ca 1917
name: label: maker
content: Marconi-Osram Valve Co., Ltd.
notes: label: Description (Brief)
content: A 4-pin brass base (banana pins) with plastic insulator, horizontal collector assembly, tipped G-shaped envelope. Stamped on base: "G" and "A", "1329" inked on press. Stamped on envelope: "Marconi Valve / Manufactured by / The M.O. Valve Co. Ltd. / G.E.C. / Made in England" and "R / 6088".
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322807
label: catalog number
content: 322807
label: accession number
content: 250988
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 in x 2 in; 10.16 cm x 5.08 cm