Western Electric type 101F vacuum tube
date: label: date made
content: ca 1927
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-pin plastic base with green tipped, G-shaped envelope. Markings: "Western Electric / Made in U.S.A. / 101-F / Pat. in U.S.A. / 12-19-13 / [...] / 6-16-25"; stamped: "-4105 35"; etched on base: "N 2-18-31". A low-power output filamentary triode used for telephone repeaters. 0.5 ampere filament current. Introduced in 1927. Tyne reports that units made after 1928 displayed patent numbers rather than issue dates. Reference: Tyne, "Saga of the Vacuum Tube," pages 283-286. Also, Western Electric 101F data sheet: https://www.westernelectric.com/s/101F.pdf; Tyne, "Saga of the Vacuum Tube," pages 283-284.
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.322725
label: catalog number
content: 322725
label: accession number
content: 241556
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 3/8 in x 2 1/4 in; 11.1125 cm x 5.715 cm