James Rumsey

American mechanical engineer

1743 CE to 1792 CE

James Rumsey (1743–1792) is an American mechanical engineer chiefly known for exhibiting a boat propelled by machinery in 1787 on the Potomac River at Shepherdstown in present-day West Virginia before a crowd of local notables, including Horatio Gates.

A pump driven by steam power ejectd a stream of water from the stern of the boat and thereby propeld the boat forward.

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