RCA type 3-KP-4 CRT
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An 11-pin plastic base with center post, glass bell, aquadaq coating. Stamped: “RCA Electron / Tube”. Donor’s card reads: “Cathode ray tube made by the Radio Corporation of America. Used as a picture tube in a 3-inch “Pilot” television receiver. Can be used as an oscillograph tube. Electrostatic focus and deflection. Screen is white fluorescence using a 4-P sulfide coating, the equivalent of a modern P-11 coating. Heater: 6.3 volts at .6 ampere.” See also: https://www.radiomuseum.org/tubes/tube_3kp4.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.325184
label: catalog number
content: 325184
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: 11 1/2 in x 3 in; 29.21 cm x 7.62 cm