steam navigation by a propeller, modeled after the foot of a water fowl. His plan did not commend itself to Fulton's judgment, and he addressed him a letter, setting forth its defects, and advancing some of the views upon which he acted himself in after life. Here he also met with Watt, who had just produced the steam-engine, which Fulton studied enthusiastically. His own inventive genius was not idle, and while living in Devonshire, he produced an improved mill for sawing marble, which won him the thanks and medal of the British Society for the Promotion of the Arts and Commerce; a machine for spinning flax and making ropes; and an excavator for scooping out the channels of canals and aqueducts, all of which were patented. He published a number of communications on the subject of canals in one of the leading London journals, and a treatise upon the same subject. Having obtained a patent in England for canal improvements, he went to France in 1797, with the design of introducing them in that country.
Upon reaching Paris, he took up his residence with Mr. Joel Barlow, and thus was laid the foundation of a friendship between these two gentlemen which lasted during their lives. He remained in Paris seven years, residing during that time with Mr. Barlow, and devoting himself to the study of modern languages, and engineering and its kindred sciences.
His work was continuous and severe in Paris. He invented and painted the first panorama ever exhibited in that city, which he sold for the purpose of raising money for his experiments in steam navigation; he also designed a series of splendid colored illustrations for The Columbiad, the famous poem of his friend Mr. Barlow. Besides these, he invented a number of improvements in canals, aqueducts, inclined planes, boats, and guns, which yielded him considerable credit, but very little profit.
In 1801, he invented a submarine boat which he called the "Nautilus," which is thus described by M. de St. Aubin, a member of the Tribunate: