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Search results: 4 matches found for valves
  1. Marshall Amplification — 2019-04-08 16:15:13
    … tone that musicians still favour today. So the Marshall production facility, sited in Bletchley, England, still uses "valves". ::c:: == Recognition == {{Image url="MArshallLemmy.jpg" class="right" title="Lemmy and a Marshall stack" width="" }}…
  2. Electronic Computer — 2017-12-22 10:07:10
    …thematician **Maxwell Newman** they proposed an electronic computer system using **1500** [[Thermionic_valve|Thermionic valves]]. Colossus could work at 5000 characters per second with an interval between sprocket holes of 200 microseconds. In th…
  3. Steam Engine — 2017-05-23 20:30:35
    …p chamber. The oscillations of the operating rod are transferred to a pump piston that moves the water, through check valves, to the top of the shaft. Early Newcomen engines operated so slowly that the valves were manually opened and closed by …
    …an attendant. An improvement was the replacement of manual operation of the valves with an operation derived from the motion of the engine itself, by lengths of rope known as potter cord (Legend has it …
    …that this was first done in 1713 by a boy, '''Humphrey Potter''', charged with opening the valves; when he grew bored and wanted to play with the other children he set up ropes to automate the process.) '''Humphrey G…
  4. Vacuum Tube — 2016-05-11 11:46:26
    …hat they do == {{Image url="Valvediode.png" class="right" title="Valve diode" width="200" }} Vacuum tubes or thermionic valves are based around the concept of //thermionic emission//. Using two electrodes enables diodes to be made that can rectif…

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