Western Electric type 101-B voice amplifier tube
date: label: date made
content: ca 1918
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A telephone repeater tube with a metal shell 4-pin base, wax insulator, tipped G-shaped envelope. Markings: "Pat. in U.S.A. / 1-15-07 Two Patents / 2-15-08 4-27-15 / 12-9-16 / Pat. Applied for"; "101-B" in base insulator. "135188" faintly printed on envelope (take care not to wipe this off!). "A three-element filamentary type tube for use where small amounts of output power are required." Reference: Tyne, "Saga of the Vacuum Tube," pages 93-95.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from McMurdo Silver Corp., thru McMurdo Silver
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.311580
label: catalog number
content: 311580
label: accession number
content: 146541
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: vacuum tube
label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 4 1/2 in x 2 1/4 in; 11.43 cm x 5.715 cm