A Stirling engine is a heat engine that is operated by the cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, resulting in a net conversion of heat energy to mechanical work.
invented by Léon Bouly
Cinematograph or Kinematograph is an early term for several types of motion…
invented by Lester Allan
The Pelton wheel or Pelton Turbine is an impulse-type water turbine invented by…
invented by John Kemp Starley
A safety bicycle (or simply a safety) is a type of bicycle that became very…
invented by Sir William Armstrong
A hydraulic accumulator is a pressure storage reservoir in which an…
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