X-Ray Tube
name: label: maker
content: Green & Bauer
notes: label: Description
content: Cold cathode, three electrode glass x-ray tube with gas auto regulation, and a Green & Bauer cloverleaf (shamrock) logo. An inscription reads “PATENTED SEPT 5, 1911 / JULY 29,1913 / GREEN & BAUER / HARTFORD, CONN / USA / 46486.”
label: Description
content: Ref: Henry Green, “Anode for X-Ray Tubes” U.S. Patent 1,002,390 (Sept. 5, 1911).
label: Description
content: Henry Green, “Vacuum Tube,” U.S. Patent 1,068,426 (July 29, 1913).
label: Location
content: Currently not on view
place: label: place made
content: United States: Connecticut, Hartford
setName: label: See more items in
content: Medicine and Science: Medicine
dataSource: label: Data Source
content: National Museum of American History
identifier: label: ID Number
content: 1989.0398.04
label: catalog number
content: 1989.0398.04
label: accession number
content: 1989.0398
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: copper (overall material)
label: Physical Description
content: purple (overall color)
label: Measurements
content: overall: 27 cm x 33 cm x 13.5 cm; 10 5/8 in x 13 in x 5 5/16 in