The Pelton wheel or Pelton Turbine is an impulse-type water turbine invented by American inventor Lester Allan Pelton in the 1870s.
invented by John Kemp Starley
A safety bicycle (or simply a safety) is a type of bicycle that became very…
invented by Moritz Von Jacobi
An electric motor is an electrical machine that converts electrical energy into…
invented by Thomas Edison
An electric light is a device that produces visible light from electric power.…
invented by Friedrich Koenig
A printing press is a mechanical device for applying pressure to an inked…
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Inventions that changed the world
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