British Thomson Houston type B-4 triode
date: label: date made
content: ca 1924
name: label: maker
content: British Thomson-Houston
notes: label: Description (Brief)
content: Four-pin metal base (long pins), with tipped P-shaped envelope, silvered. Donor’s card reads: “Receiving triode made by the British Thomson Houston Company, Ltd., England. Specifications unknown.” About 1924. Reference: https://www.radiomuseum.org/tubes/tube_b4_bth.html. British Thomson Houston Co. was part of U.S. General Electric.
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Paul G. Watson
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.324430
label: catalog number
content: 324430
label: accession number
content: 252994
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 1/4 in x 1 3/8 in; 10.795 cm x 3.4925 cm