In 1781, James Watt invented a steam engine that produced rotary power, and in 1876, Nikolaus Otto furthered the idea and built an internal - combustion engine.
Ent aastal 1781 leiutas James Watt aurumasina, mis tootis väntvõlli pöörlema panevat energiat, ning 1876. aastal astus Nikolaus Otto sammu edasi sellega, et ehitas sisepõlemismootori.