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x-ray tube
x-ray tube

x-ray tube

Date1900-1910
Inventory Number1997-1-1267
ClassificationX-ray Tube
Subject
    Maker Swett & Lewis Company fl. 1897 - 1910
    Cultural Region
      Place of Origin
        Dimensions8.5 x 32 x 8.5 cm (3 3/8 x 12 5/8 x 3 3/8 in.)
        bulb: 8.5 cm (3 3/8 in.)
        Material
          DescriptionA rather simple early x-ray tube with a large concave cathode and a small target, probably platinum. No other elements in the tube. It is marked "T48".
          Signedon cathode: Swett & Lewis Co // Boston // 341.
          FunctionThis simple x-ray tube produces x-rays by accelerating electrons (cathode rays) from the cathode towards the anode using a large voltage.
          5.25-inch gas x-ray tube
          5.25-inch gas x-ray tube
          Swett & Lewis Company
          Date: 1900-1905
          Object number: VT4698
          gas x-ray tube
          gas x-ray tube
          Swett & Lewis Company
          Date: circa 1900
          Object number: 2008-1-0060
          VTNBK 1/56
          EXP X-RAY
          Swett & Lewis Company
          Object number: VT1907
          gas x-ray tube
          gas x-ray tube
          Macalaster-Wiggin Company
          Date: 1905-1916
          Object number: 2008-1-0085
          gas x-ray tube
          gas x-ray tube
          Macalaster-Wiggin Company
          Date: 1897-1916
          Object number: 2008-1-0082
          4.5-inch gas x-ray tube
          4.5-inch gas x-ray tube
          American
          Date: circa 1905
          Object number: VT4705
          4-inch gas x-ray tube
          4-inch gas x-ray tube
          Macalaster-Wiggin Company
          Date: 1902-1905
          Object number: VT4696
          4.2-inch gas x-ray tube
          4.2-inch gas x-ray tube
          Macalaster-Wiggin Company
          Date: circa 1902
          Object number: VT4694
          3.6-inch gas x-ray tube
          3.6-inch gas x-ray tube
          Macalaster-Wiggin Company
          Date: circa 1902
          Object number: VT4695
          3.3-inch gas x-ray tube
          3.3-inch gas x-ray tube
          American
          Date: circa 1902
          Object number: VT4697
          4-inch gas x-ray tube
          4-inch gas x-ray tube
          American
          Date: 1902-1910
          Object number: VT4699
          gas x-ray tube
          gas x-ray tube
          Macalaster-Wiggin Company
          Date: circa 1910
          Object number: 2008-1-0059