North American Philips type 5-CP-1 high vacuum CRT
date: label: date made
content: ca 1943
name: label: maker
content: Philips
label: maker
content: Norelco
notes: label: Description (Brief)
content: A 12-pin plastic base with center post, side contact, coated glass bell. Stamped: “JAN-CNY-5CP1 / North American / Philips Co., Inc.” Donor’s card reads: “High vacuum cathode ray tube made by the North American Philips company under the brand name Norelco for the US government during World War II. This is an early model of the Dumont type 5-CP-1-A tube [catalog number 324782]. Electrostatic focus and deflection. #1 phosphor, green fluorescence medium persistence, 4400 volts on the anode; #2 anode 2200 volts; 1100 volts on the focusing electrode. Control grid always negative. Heater type: 6.3 volts at .6 amperes.” 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.325227
label: catalog number
content: 325227
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: cathode ray tube
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 16 1/2 in x 5 in; 41.91 cm x 12.7 cm