Search results with tag "Pumps for vacuum"

INTRODUCTION TO THE PRINCIPLES OF VACUUM PHYSICS

Many technical inventions, concerning various pumps for vacuum generation, were made in the last, and until the middle, of our century, leading for instance to the discovery of the electron in 1897 by J.J. Thomson (1856-1940) and the invention of the X-ray tube by Wilhelm Conrad Röntgen (1845-

  Pumps, Vacuum, Pumps for vacuum