Hull experimenetal magnetron
date: label: date made
content: May 1920
name: label: maker
content: General Electric Laboratory
notes: label: Description (Brief)
content: Medium-screw base with glass insulator, top contact, T-shaped envelope. "6A. Fil. / 11.5 Volt". Original GE Museum sheet found with tube indicates unit designed by E. F. Hennelly in 1920, built by Mr. Ruggles in May 1920, operated "by the R.C.A. in experimental work", "An example of the early magnetrons used years later for short wave (less than 1 meter) oscillations. ... Also interesting for devices used to space anode from glass."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from General Electric Research Laboratory, thru W. C. White and J. R. Morgan
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.315605
label: catalog number
content: 315605
label: accession number
content: 220105
label: collector/donor number
content: 960
objectType: label: Object Name
content: Electron Tube, Diode
label: Object Name
content: magnetron
label: Other Terms
content: Electron Tube, Diode; Electron Tubes
physicalDescription: label: Measurements
content: overall: 10 in x 1 3/4 in; 25.4 cm x 4.445 cm