Various scientists and engineers contributed to the development of internal combustion engines. Following the first commercial steam engine by Thomas Savery in 1698, various efforts were made during t
Types of farm equipment typically powered by early engines (scale models)
1853 Barsanti–Matteucci engine (scale model)
1860s Otto–Langen atmospheric engine
1860 Lenoir gas motor
Nicolaus Otto
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Nicolaus August Otto was a German engineer who successfully developed the compressed charge internal combustion engine which ran on petroleum gas and led to the modern internal combustion engine. The
History of the internal combustion engine
…Obtaining Motive Power by the Explosion of Gasses". In 1860, Belgian Jean Joseph Etienne Lenoir produced a gas-fired internal combustion engine. In 1864, Nicolaus Otto patented the first commercially successful gas engine. George Brayton invented the first commercial liquid-fueled internal combustion engine in 1872…
Otto's atmospheric engine
Otto's 1876 four cycle engine
Deutsche Bundespost stamp