Daniel Treadwell
1791–1871
American inventor. Trained as a silversmith but preferred experimenting with machinery. Patented a power printing press in 1826; by 1835, had secured several patents for his machines for spinning hemp. President, Boston Mechanics Institute, 1829. Appointed Rumford professor, Harvard University, 1834.
Source
DAB.
Bibliography
DAB: Dictionary of American biography. Under the auspices of the American Council of Learned Societies. 20 vols., index, and 10 supplements. New York: Charles Scribner’s Sons; Simon & Schuster Macmillan. London: Oxford University Press; Humphrey Milford. 1928–95.


