Cinematograph or Kinematograph is an early term for several types of motion picture film mechanisms. The name was used for movie cameras as well as film projectors, or for complete systems that also provided means to print films (such as the Cinématographe Lumière).
invented by Robert Stirling
A Stirling engine is a heat engine that is operated by the cyclic compression…
invented by Patrick Bell
A reaper is a farm implement or person that reaps (cuts and often also gathers)…
invented by Abraham Louis Breguet
A watch is a portable timepiece intended to be carried or worn by a person. It…
invented by William Robert Grove
A fuel cell is an electrochemical cell that converts the chemical energy of a…
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