Radiomedicine: Objects 1 - 1 of 1

993.638.1:  X-Ray Tube X-Ray Tube, 1901-1950 Kesselring x-ray tube consisting of a spherical glass bulb (tinted purple from metal deposits) with cylindrical stems carrying the electrodes: the anode is at the bottom, the cathode at the top, and the anticathode is just above the anode. A fourth stem, the auto regeneration mechanism, has a long wire that stops near the cathode. Manufacturer's name and address, serial number [No.10926], patent date and number [undecipherable] stamped onto cathode stem's surface in white.