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  1. Vacuum Tube — 2022-01-12 08:49:37
    …nology of the day to move forward. The valve was pivotal in laying the foundations of what we call electronics technology today. This invention made possible or imp…
    … networks, ~Analogue and Digital computers == War Needs == The outbreak of World War 2 was a key point in thermionic valve history. These devices came into their own as they were needed for electronic equipment of all sorts from radio receive…
    …rs to transmitters, radar sets, electronic warfare equipment, telecommunications repeaters and much more. {{Tag ids="Valve Electronic Tube Thermionic amplification "}} …
  2. Loudspeaker — 2021-11-07 21:26:37
    …at we know today. == Power == What this invention needed was amplification and that came along with the [[Thermionic_valve|valve]]. With more power bigger magnets and cones could now be used. A model of his loudspeaker is in the British Sc…
  3. Marshall Amplification — 2021-08-29 20:23:50
    … 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="" }…
  4. Steam Engine — 2021-08-08 20:42:29
    … 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 …
    …there were many early disasters. The most important refinement to the high pressure engine at this point was the safety valve, which releases excess pressure. Reliable and safe operation came only with a great deal of experience and codification…
  5. Toilet — 2020-11-30 16:28:35
    … }}>> (1748 - December 9, 1814), born Stainborough, Yorkshire, England. [[Hydraulics|Joseph Bramah]] invented a hinged valve or 'crank valve' in 1778. This sealed the bottom of the bowl. He also devised a float valve system for the cistern. Ear…
    … chamber and then into the cess-pit or sewer. The metal rusted and the seals between the components leaked. Because the valve was unreliable, there had to be an overflow. Although the parts were in a wooden case, the toilet did smell. The 'U-ben…
    …d', or the water-sealed trap, was invented in 1782. This could replace the outlet valve. Because it could not jam, it did not need an overflow. === Josiah George Jennings 1852 === Born on 10 November 1810 …
    …reated the one-piece 'wash-out' toilet, called the 'Unitas'. This used a 'P'-shaped trap. In 1885, he created the first valveless toilet made of china. Other makers at this stage included Josiah Wedgwood, Thomas Crapper and John Shanks. === Tho…
  6. Digital Photography — 2020-08-17 17:33:21
    …taken by physicist and inventor Michael Francis Tompsett in **1972.** Tompsett was a researcher at **English Electric Valve Company** (EEV now E2V) in Chelmsford. In 1968 Dr Tompsett invented the un-cooled Pyro-electric thermal-imaging camera …
  7. Electronic Computer — 2020-08-14 21:59:12
    …nd working the mathematician **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 m…
  8. Thermionic Valve — 2016-03-03 15:03:44
    …Thermionic Valve :: Thermionic Valve === John Ambrose Fleming 1904 === {{redirect target="Vacuum Tube"}}…

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  • Marshall Amplification. 100 years ago 29/7/1923 Jim Marshall was born
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