Northern Electric type 101F vacuum tube
date: label: date made
content: ca 1928
name: label: maker
content: Northern Electric Manufacturing Company
notes: label: Description (Brief)
content: 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.
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: ZZ.RSN80594U21
objectType: label: Object Name
content: Electron Tube, Triode
label: Object Name
content: triode
label: Other Terms
content: Electron Tube, Triode; Electron Tubes
physicalDescription: label: Physical Description
content: composition (overall material)
label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Measurements
content: overall: 4 3/8 in x 2 1/4 in; 11.1125 cm x 5.715 cm