X-Ray Tube
date: label: Date made
content: 1897
notes: label: Description
content: Cold cathode glass X-ray tube with a “KESSELRING X-RAY TUBE CO. / CHICAGO/ ILL. / 10880 / PATENT. NOV. 23, 1897 / 94,034” inscription. Hermann M. Kesselring was a German citizen living in Chicago, who remained in business at least until 1921.
label: Description
content: Ref: Henry Lyman Sayen, “Roentgen Ray Tube,” U.S. Patent 594,036 (Nov. 23, 1897), assigned to The Queen Company.
label: Location
content: Currently not on view
place: label: place made
content: United States: Illinois, Chicago
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift of Emil Grubbé
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.M-05011
label: accession number
content: 161220
label: catalog number
content: M-05011
objectType: label: Object Name
content: x-ray tube
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: metal (overall material)
label: Physical Description
content: asbestos (overall material)
label: Physical Description
content: platinum (overall material)
label: Measurements
content: average spatial: 30 cm x 19 cm x 48 cm; 11 13/16 in x 7 1/2 in x 18 7/8 in
label: Measurements
content: overall: 12 in x 19 1/2 in x 7 1/2 in; 30.48 cm x 49.53 cm x 19.05 cm