Western Electric type 709-A pulse regulator tube
date: label: date made
content: ca 1943
name: label: maker
content: Western Electric
notes: label: Description (Brief)
content: A double-ended cylindrical glass tube with three metal disc contacts set perpendicular to the tube axis. Stamped on envelope: “Western Electric / Made in U.S.A. / 709A” Donor’s card reads: “Pulse regulator tube made by Western Electric for the US government during World War II. Used as a switching device with pulsed type transmitters, and receivers using the same antenna.”
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.324696
label: catalog number
content: 324696
label: accession number
content: 252994
objectType: label: Object Name
content: Pulse Regulator
label: Object Name
content: electron tube
label: Other Terms
content: Pulse Regulator; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 1 1/4 in; 6.35 cm x 3.175 cm