Western Electric type 401A pentode
date: label: date made
content: 1947
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: "Western / Electric / 401 A / Made in U.S.A. / 513". Donor’s card reads: “Pentode made by the Western Electric Company in 1947 for use in amplifier circuits at high and ultra-high frequencies. Heater type: 6.3 volts at .15 ampere. 120 volts on the screen and plate, 7 volt negative control grid bias.” See also: https://www.radiomuseum.org/tubes/tube_401a_pentode.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.324868
label: catalog number
content: 324868
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: pentode
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 1 3/4 in x 5/8 in; 4.445 cm x 1.5875 cm