General Electric type KM-1 "Kenotron" tube
name: label: maker
content: General Electric Company
notes: label: Description (Brief)
content: Kenotron tube - marked by Columbia "P3B27". Reference: William C. White, "The Tron Family," Electronic Industries, January 1946, notes that the term "kenotron" was coined by Langmiur in 1915 to mean "vacuum instrument."
label: Location
content: Currently not on view
setName: label: See more items in
content: Work and Industry: Electricity
creditLine: label: Credit Line
content: from Columbia University, Department of Physics, thru Alvin P. Tramm
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: EM.322947
label: catalog number
content: 322947
label: accession number
content: 249200
objectType: label: Object Name
content: Electron Tube
label: Object Name
content: kenotron
label: Other Terms
content: Electron Tube; Electron Tubes
physicalDescription: label: Measurements
content: overall: 11 1/4 in x 3 5/8 in; 28.575 cm x 9.2075 cm