Westinghouse type CWL-861 screen grid power amplifier
date: label: date made
content: ca 1936
name: label: maker
content: Westinghouse Electric Corporation
notes: label: Description (Brief)
content: A large G-shaped tube with metal pin-and-blade base, metal cap with contact, two 5" braided leads emerging from one side, and a metal cap with contact on the opposite side. Stamped: “May-45 / Westinghouse / Made in U.S.A.”, on base: “JAN-CWL-861”. Donor’s card reads: "Screen grid power amplifier made by the Westinghouse Company for the US government during World War II. A design originating about 1936, an improved and revised design of the early model 861 [catalog number 324801]. Generally used as a Class C radio frequency amplifier at frequencies up to 20 megacycles. Throated tungsten filament: 11 volts at 10 amperes. As a Class C radio frequency amplifier; 3000 volts at 175 milliamperes on the plate, 375 volts on the screen, 200 volt negative control grid bias, the tube will give 400 watts of radio frequency power.” See also: https://www.radiomuseum.org/tubes/tube_861.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.324988
label: catalog number
content: 324988
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: electron tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 17 in x 10 1/2 in x 7 in; 43.18 cm x 26.67 cm x 17.78 cm