Dumont Labs type 5-CP-1-A cathode ray tube
date: label: date made
content: ca 1942
name: label: maker
content: DuMont Company
notes: label: Description (Brief)
content: A 12-pin plastic base with contact on the side, and 5” phosphored glass bell. Stamped on envelope: “Dumont / Made in U.S.A. / 5CP1”. Donor’s card reads: “Cathode ray tube made by the Dumont Laboratories of Passaic, NJ, about the time of World War II. A picture tube used as a visual monitor in the KYW-WRCV transmitter at Whitemarsh, PA. Taken out of service in 1957 as the tube had become dull. Heater type: 6.3 volts at .6 ampere. Anode #3 4000 volts, grid #2 2000 volts, anode #1 1000 volts, grid #1 200 volts.” See also: https://www.radiomuseum.org/tubes/tube_5cp1.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.324782
label: catalog number
content: 324782
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: cathode ray tube
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 16 3/4 in x 5 in; 42.545 cm x 12.7 cm