X-Ray Tube
date: label: associated dates
content: 1969 08 27
name: label: maker
content: Queen and Company
notes: label: Description
content: Cold cathode, four electrode glass x-ray tube with gas auto regulation, designed by Henry Lyman Saÿen and manufactured by Queen & Co. in Philadelphia. It is an example of the first tube that automatically regulated the gas pressure so that the quality and output of x-rays could be maintained.
label: Description
content: The donor of this tube was the widow of Chester O. Davison (1888-1967), a graduate of the University of Oklahoma Medical School who headed the radiology department at Vassar Hospital for some 35 years, and then held a similar position at Highland Hospital for six years. Dr. Davison was also a consulting radiologist at the Hudson River State Hospital and the Harlem Valley State Hospital.
label: Description
content: Ref: Henry Lyman Saÿen, “Roentgen Ray Tube,” U.S. Patent 594,036 (Nov 23, 1897), assigned to Queen & Co.
label: Location
content: Currently not on view
place: label: place made
content: United States: Pennsylvania, Philadelphia
label: associated place
content: United States: New York, Poughkeepsie
setName: label: See more items in
content: Medicine and Science: Medicine
creditLine: label: Credit Line
content: Gift of Mrs. Chester O Davison
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: MG.M-12858
label: accession number
content: 285853
label: catalog number
content: M-12858
objectType: label: Object Name
content: X-Ray Tube
label: Object Name
content: tube, x-ray
label: Other Terms
content: X-Ray Tube; Radiography
physicalDescription: label: Physical Description
content: glass (overall material)
label: Physical Description
content: purple (overall color)
label: Measurements
content: overall: 23.5 cm x 32.5 cm x 14 cm; 9 1/4 in x 12 13/16 in x 5 1/2 in