-W ilhelm Conrad Roentgen-1895 -E lectrical discharges in a vacuum tube -C aused a phosphoric screen to fluoresce -F ormed an image of bone -F irst x-ray.
X-ray tube THE TUBE CONSISTS OF CATHODE AND ANODE ENCLOSED WITHIN THE GLASS ENVELOPE (PYREX GLASS) OR METAL ENVELOPE ENCASED IN A PROTECTIVE HOUSING.
