Raytheon type OB-2 voltage regulator tube
name: label: maker
content: Raytheon Company
notes: label: Description (Brief)
content: A 7-pin glass base with tipped T-shaped envelope. Miniature tube. Stamped: “OB2 / Raytheon / Made in U.S.A.” Donor’s card reads: “Voltage regulator tube made by Raytheon Corporation. A cold cathode glow discharge tube used to regulate a 108 volt DC load, passing from 3 to 30 milliamps through the tube.”
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.325283
label: catalog number
content: 325283
label: accession number
content: 252994
objectType: label: Object Name
content: Voltage Regulator
label: Object Name
content: electron tube
label: Other Terms
content: Voltage Regulator; Electron Tubes
physicalDescription: label: Measurements
content: overall: 2 1/2 in x 3/4 in; 6.35 cm x 1.905 cm