Raytheon type 2-J-26 cavity magnetron
date: label: date made
content: ca 1943
name: label: maker
content: Raytheon Manufacturing Company
notes: label: Description (Brief)
content: A glass tube attached to a metal assembly. A metal tube with lead pin is attached perpendicular to the tube. Stamped: “Raytheon Mfg. Co. / Type / 2J26 / Made in U.S.A.” and "E2994". Donor’s card reads: “Cavity magnetron made by the Raytheon Mfg. Co. for the US government during World War II for radar use. Fixed frequency type, 2992 to 3019 megacycles. Typical operation: 22000 volts at 30 amperes on the plate, 2400 field gauss, 1 microsecond pulse, 1000 pulses per second, for a peak pulsed power output of 275 kw.”
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.325225
label: catalog number
content: 325225
label: accession number
content: 252994
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: magnetron
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 6 1/8 in x 6 1/4 in x 3 1/4 in; 15.5575 cm x 15.875 cm x 8.255 cm