The topographical engineer Louis-Alexandre Berthier produced this plan detailing the batteries and redoubts around West Point, while marching from Providence to Virginia with the army of Comte de Rochambeau (1725–1807). Gift of Harry C. Black, Class of 1909. Louis-Alexandre Berthier Collection, Manuscripts Division.
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Robert Fulton is widely credited with developing the first commercially successful steamboat in 1807, which revolutionized American transportation and commerce. He wrote this letter, with specifications for building a steamboat engine, to his partner Nicholas Roosevelt (1767–1854), a fellow inventor who introduced vertical paddle wheels for steamboats. Gift of Mrs. Marshall L. Brown in memory of Cyrus H. McCormick, Class of 1879. General Manuscripts Bound, no. 406, Manuscripts Division.
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