The First Electron Tube In 1904 John Ambrose Fleming wrote Guglielmo Marconi: "I have been receiving signals on an aerial with nothing but a mirror galvanometer and my device." The device was the ...

Offers a range of light detection solutions, down to photon counting levels, from UV to near IR. Products include photomultiplier tubes, power supplies with low power consumption, signal processing ...

Description: Electron diffraction patterns for single crystal and polycrystalline materials are displayed on a CRT screen. A Welch model 2639 'Electron Diffraction tube' is used in an experiment in ...

[Segelfam] built his own scanning electron microscope. He based the machine around an old Vidicon tube, a video recording technology that was used in NASA’s unmanned space probes prior the ...

The cathode tube was a prime example ... is the lifeblood of everything from computers to phones to microwaves, the electron turned out to be interesting to just about everybody.