Treadwell died in Cambridge, Massachusetts. Works A Short Account of an Improved Cannon, and of the Machinery and Processes employed in its Manufacture (Cambridge, 1845) The Relations of Science to the Useful Arts (Boston, 1855) On the Practicability of constructing a Cannon of Great Calibre (Cambridge, 1856) On the Construction of Hooped Cannon (a sequel to the foregoing; 1864) Notes References Biographical sketch by M. Wyman in Memoirs of the American Academy of Arts and Sciences, volume xi, (Cambridge, 1888) Samuel Longfellow, Life of Henry Wadsworth Longfellow, (Boston, 1886) Further reading 1791 births 1872 deaths 19th-century American inventors Fellows of the American Academy of Arts and Sciences Harvard University faculty People from Ipswich, Massachusetts