Monday, September 10, 1807, came at length, and a vast crowd assembled along the shore of the North River to witness the starting. As the hour for sailing drew near, the crowd increased, and jokes were passed on all sides at the expense of the inventor, who paid little attention to them, however, but busied himself in making a final and close inspection of the machinery. Says Fulton, "The morning I left New York, there were not, perhaps, thirty persons in the city who believed that the boat would ever move one mile per hour, or be of the least utility; and while we were putting off from the wharf, which was crowded with spectators, I heard a number of sarcastic remarks."
One o'clock, the hour for sailing, came, and expectation was at its highest. The friends of the inventor were in a state of feverish anxiety lest the enterprise should come to grief, and the scoffers on the wharf were all ready to give vent to their shouts of derision. Precisely as the hour struck, the moorings were thrown off, and the "Clermont" moved slowly out into the stream. Volumes of smoke and sparks from her furnaces, which were fed with pine wood, rushed forth from her chimney, and her wheels, which were uncovered,