Thomson, J. J. manufacturer University of Cambridge. Department of Physics. Cavendish Laboratory Description J.J. Thomson's cathode ray tube #3, replica of Cavendish Lab apparatus. Object ID ...

PARIS -- Thomson SA, the French supplier of video equipment, said Tuesday it has reached an agreement to sell its cathode-ray tube activities in China, Mexico and Poland to Videocon group of India ...

Last month: J. J. Thomson's cathode-ray tube. This has been claimed to be the apparatus with which Joseph John Thomson discovered the electron in 1897. ... to experiment with the new 'cathode rays'.

The eminent Cambridge physicist J.J. Thomson solved the puzzle in 1897: The cathode-rays inside the tube were comprised of negatively charged particles 2,000 times lighter than a single hydrogen atom.