Assertion: steam engine's piston | /r/AtLocation | rope
Facets:
Source sentences:
text: The fire being removed, the steam condenses, and a vacuum is formed below the piston, and the latch, E, being disengaged, the piston is driven down by the superincumbent atmosphere and raises the weight which has been, meantime, attached to a rope... passing from the piston rod over pulleys...