RCA type 3-CP-151 / 1801-P-1 cathode ray tube
date: label: date made
content: ca 1943
name: label: maker
content: Radio Corporation of America
notes: label: Description (Brief)
content: An 11-pin metal base with flange, and 3” phosphored glass bell with rotary calibration plate and single pin on top. Stamped on base: RCA logo. Donor’s card reads: “Cathode ray tube made by the Radio Corporation of America for the US government during World War II. The face of this 3” tube is calibrated for rotary scanning of the cathode ray. Used as the visual indicator of an electronic altimeter used aboard airplanes.” See also: https://www.radiomuseum.org/tubes/tube_3cp1.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.324775
label: catalog number
content: 324775
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: 10 1/2 in x 3 in; 26.67 cm x 7.62 cm