[1] JACQUES BESSON, _Des instruments mathematiques, et mechaniques, servants a l'intelligence de plusiers choses difficiles, & necessaires a toutes republiques_, 1st ed. (Orleans, 1569). [Also available in later editions in French, German, and Spanish.] [2] J. FOSTER PETREE, introduction, _Henry Maudslay, 1771-1831, and Maudslay Sons and Field, Ltd._ (London: The Maudslay Society, 1949). [3] _American Machinist_ (September 28, 1916), vol. 45, no. 13, pp. 529-531. [4] U.S. patent 10383 issued to Joseph Nason of New York, January 3, 1854. [5] U.S. patent 293930 issued to Charles Vander Woerd of Waltham, Massachusetts, February 19, 1884. [6] U.S. patent 1874592, filed June 8, 1929, issued to C. G. Olson of Chicago, Illinois, August 30, 1932, and assigned to the Illinois Tool Works, also of Chicago. [7] U.S. patent 1901926, filed February 16, 1928, issued to C. G. Olson of Chicago, Illinois, March 21, 1933, and assigned to the Illinois Tool Works, also of Chicago. [8] U.S. patent 1899654, filed August 31, 1931, issued to F. A. Ward of Detroit, Michigan, February 28, 1933, and assigned to the Gear Grinding Company of Detroit, Michigan. * * * * * U.S. GOVERNMENT PRINTING OFFICE: 1964 For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402--Price 20 cents INDEX Besson, Jacques, 107 Douglas, W. & B., Company, 113 Maudslay, Henry, 106, 113 Nason, Joseph, 114 North, Simeon, arms factory, 114 Olson, Carl G., 118 Vander Woerd, Charles, 116, 117 Ward, Frederick A., 120 Wetschgi, Emanuel, 108 Wetschgi, Manuel, 108, 111 Whitney arms factory, 114 Wilkinson, David, 113