British type R triode
date: label: date made
content: ca 1917
label: date made
content: ca. 1917
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: "Valve / P"; written on press: "qp". Reference: Tyne, "Saga of the Vacuum Tube," pages 171-172.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from William Dubilier
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.326035
label: catalog number
content: 326035
label: accession number
content: 259739
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: triode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 3/4 in x 2 3/8 in; 12.065 cm x 6.0325 cm