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Steam-cyl′in-der.


Steam-engine.) The chamber within which the piston reciprocates. The invention of Dr. Papin, of Blois, in France. The first steam-engine with reciprocating motion. The waterraising devices of Worcester and Savary, like the toys of Baptista Porta, Leonardo da Vinci, and De Caus, were steam-pressure apparatus, approximating to pumps, not engines. The pump-cylinder, however, was much earlier, used either for water or for air. See the “Spiritalia Heronis.”

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