eol1pile, æol1pile, eol1pyle, æolopyle

[Lat. œolipile (pl.), from Æolus =the god of winds, and pila =a ball.] Mach .: A rotary engine, invented by Heron, of about B. C. 150. It consisted of a hollow ball of Alexandria, who set it at work in the Serapion The ball was about two metal with bent arms. thirds filled with water, and the ball put on the fire. When steam was generated it i ued from the bent rotate a It was revived in this country for rotating arms, and by reaction caused the metal globe to a toy, and then as the principle of a Banta's Rotary Steam-engine Protector, on May 28, 1867. [REACTION STEAM-ENGINE.]