 French then established a ferry on the Delaware River between Philadelphia, Pennsylvania and Camden, New Jersey.After moving to Brownsville, Pennsylvania, French built, for the shareholders of the Monongahela and Ohio Steam Boat Company, the engine and drive train for the highly successful "Enterprise", the first steamboat to ascend the Mississippi and Ohio Rivers from New Orleans to Louisville.The steamboat "Washington" was built by George White at Wheeling, West Virginia, for Henry Shreve and partners.