Assertion: steam engine's cylinder | /r/HasProperty | powered by exploding gunpowder
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Source sentences:
text: 1680: Dutch physicist Christiaan Huygens (1629–1693) makes the first piston engine using a simple cylinder and piston powered by exploding gunpowder.
text: (1629–1693) makes the first piston engine using a simple cylinder and piston powered by exploding gunpowder.