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years after his birth, which occurred at Little Britain, Pennsylvania, in the year 1765. His parents were farmers, and of Irish birth, but Protestants in religious belief. At seventeen he went to Philadelphia and begun the study of printing. Four years later he evinced such decided talents in miniature painting that his friends united in sending him to London, where he remained for some years under the teaching of the world-renowned West. Being a friend of West, he was thus drawn into association with such men as the Duke of Bridgewater and the Earl of Stanhope. Through the influence of the former he adopted the profession of a civil engineer. He also became acquainted with Watt, who had just brought out his great improvement on the steam engine, the details of which Fulton mastered. While in London, at this time, he also contrived a new device for sawing marble which proved to be a valuable improvement. To this period in his life also belongs his invention of a machine for spinning flax. In 1797 he removed to Paris where he remained seven years, assiduously studying the sciences. It was during his sojourn there that he brought out his celebrated torpedo-boat, since known as the Nautilus, a name derived from its resemblance in action to that wonderful little animal. This boat was a plunging machine designed for sub-marine service in placing torpedoes and other work, for which a sub-marine vessel could be used. According to Colden this boat was brought to a wonderful state of perfection, his account of which may be interesting. On the 3rd of July, 1801, he embarked with three companions on board his plunging boat, in the harbor of Brest, and descended in it to the depth of five, ten, fifteen, and so on, to twenty-five feet; but he did not attempt to go deeper because he found that his imperfect machine would not bear the pressure of a greater depth. He remained below the surface one hour. During the time, they were in utter darkness. Afterwards he descended with candles; but finding a great disadvantage from their consumption of vital air he caused, previous to his next experiment, a small window of thick glass to be made near the bow of his boat, and he again descended with her on the 24th of July, 1801. He found that he received from his window, or rather aperture covered with glass, for it was no more than an inch and a half in diameter, sufficient light for him to count the minutes on his watch. Having satisf
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