Glass X-ray tube with reglator and cathode
Jackson type X-ray tube, United Kingdom, 1896
1896
X-ray tube
Glass X-ray tube
Gas X-ray tube with anticathode and regulator by Watson and Sons (Electro-Medical) Ltd.
1915-1925
Gas X-ray tube with anticathode and regulator
1915-1925
Glass X-ray tube
1885-1910