magnetron or travelling wave tube
date: label: associated date
content: 1943
setName: label: See more items in
content: Work and Industry: Electricity
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: ZZ.RSN81551U25
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: magnetron
label: Other Terms
content: Electron Tube, Diode; Electron Tubes