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.

IT has frequently been suggested that a linear accelerator could be constructed using a wave-guide consisting of a circular metal tube lined with an insulating tube of dielectric, and several ...