Western Electric type 215A "peanut" vacuum triode
date: label: date made
content: 1917
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 4-contact plastic bayonet base with side pin, tipped T-shaped envelope, cylindrical shield. Stamped on side of envelope: "Western / Electric / 215A". Donor’s card reads: “Triode made by the Western Electric Company before World War I. Also known as the N tube in government service. Similar to the CW-1344 tube [catalog number 324339] and to the CW-38015 tube [catalog number 324507]. All have oxide coated filaments, 1 volt at .25 ampere. Used mostly as Class A amplifiers with 60 volts at 2 milliamperes in the plate circuit. Used mostly as radio frequency and intermediate frequency amplifiers in the government service during WWI, as the VT-1 tube was not satisfactory for that service.” See also: https://www.radiomuseum.org/tubes/tube_215a.html.
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.324504
label: catalog number
content: 324504
label: accession number
content: 252994
objectType: label: Object Name
content: triode
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 5/8 in; 6.35 cm x 1.5875 cm