Standard Telephones and Cables type 4101D triode
date: label: date made
content: ca 1923
name: label: maker
content: Western Electric
label: maker
content: Standard Telephone & Cables, Ltd.
notes: label: Description (Brief)
content: A telephone repeater tube with a metal shell 4-pin base, wax insulator, ladder grid, tipped, G-shaped envelope. Markings: "Western Electric / 4101D / Patented in / Great Britain / 17580 of 1915 / 161619 / (29723 of 1919) / 180090 / (6641 of 1921)". Stamped on insulator: "4101.D". A three-element filamentary type tube for use where small amounts of output power are required." Reference: Tyne, "Saga of the Vacuum Tube," pages 367-368.
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.323257
label: catalog number
content: 323257
label: accession number
content: 241556
objectType: label: Object Name
content: triode
label: Object Name
content: vacuum tube
label: Object Name
content: triode
label: Object Name
content: electron tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 4 1/8 in x 2 1/4 in; 10.4775 cm x 5.715 cm