X-Ray tube insert for industrial or therapy use, with hooded copper anode incorporating a beryllium window, for forced oil cooling through the anode. Type CR250E, No. N74919. Made by Machlett Laboratories, Springdale, Connecticut, United States, 1950-1974. X-Ray tube insert for industrial or therapy use
Early Rontgen-ray print of female hand, taken by J. W. Gifford of Chard, England, 27th February 1896. Early Rontgen-ray print of female hand