- Cold cathode, three electrode glass x-ray tube with gas auto regulation, a Green & Bauer shamrock logo, and "Patented, Sept. 5, 1911" stamped on the anti-cathode. A faint inscription on the tube reads “43104 / Patented Sept. 5, 1911 / July 29, 1913 / Green & Bauer Hartford Conn USA.”
- Ref: Henry Green, “Anode for X-Ray Tubes” U.S. Patent 1,002,390 (Sept. 5, 1911).
- Henry Green, “Vacuum Tube,” U.S. Patent 1,068,426 (July 29, 1913).
- Currently not on view
- Object Name
- X-Ray Tube
- tube, x-ray
- associated dates
- 1978 02
- Green & Bauer
- place made
- United States: Connecticut, Hartford
- Associated Place
- United States: New York, New York City
- associated place
- United States: Rhode Island, East Providence, Rumford
- Physical Description
- glass (overall material)
- overall: 29 cm x 55.5 cm x 17 cm; 11 7/16 in x 21 7/8 in x 6 11/16 in
- ID Number
- catalog number
- accession number
- Credit Line
- Philip Batchelder, M.D.
- See more items in
- Medicine and Science: Medicine
- Data Source
- National Museum of American History
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