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American inventor, engineer, and entrepreneur (1765–1815) best known for designing the first commercially successful steamboat. Extraordinary group of original engineering drawings by Robert Fulton, accomplished in ink and graphite on both sides of two off-white sheets, 9.75 x 8 and 15.75 x 13, unsigned and undated. The larger sheet bears eight graphite sketches of steam-engine components, with Fulton identifying elements including "Water Wheel," "Cylinder," "Condenser," "Air Flow," "Steam," and "Condensing." The smaller sheet, an unfolded mailing envelope addressed to "Cadwalader D. Colden, Esqr., Albany," and postmarked at New York, March 7, contains approximately ten additional ink sketches of related mechanical designs. Contemporary annotations in another hand identify the material as "Pictures of Fulton" and "Pictures of Fulton, Scribled on my table at Albany." In overall very good to fine condition, with professional overall silking to both items. Accompanied by a clothbound presentation folder.
Among the foremost engineers and inventors of the early American republic, Robert Fulton (1765–1815) transformed inland transportation through the successful application of steam power to navigation. Although best remembered for the commercially successful North River Steamboat, later popularly known as the Clermont, Fulton devoted much of his career to refining steam engines, canal systems, mechanical propulsion, and other practical technologies. These remarkable working sketches offer a rare glimpse into his engineering process, illustrating components associated with steam generation, condensation, cylinders, airflow, and water-driven power. Rather than polished presentation drawings, they represent the sort of spontaneous technical studies through which Fulton developed and communicated his mechanical ideas.
The drawings descend from Cadwallader D. Colden (1769–1834), statesman, canal advocate, and one of Fulton's closest friends and associates. Colden served as mayor of New York City from 1818 to 1821, represented New York in Congress from 1821 to 1823, and later served in the state senate from 1825 to 1827. In 1825, during the final stages of the Erie Canal project, he was commissioned by the Common Council of New York City to prepare a memoir commemorating the completion of the New York canals. In 1817, two years after Fulton's death, he published The Life of Robert Fulton, the first full-length biography of the inventor and an indispensable contemporary account of his life and achievements. The mailing envelope addressed to Colden and the accompanying contemporary notations identifying the contents as "Pictures of Fulton" provide compelling evidence linking these original engineering studies to the very individual responsible for preserving Fulton's legacy.
