Foley, Vernard; Steven Rowley; David F. Cassidy; F. Charles Logan (July 1983). "Leonardo, the Wheel Lock, and the Milling Process". Technology and Culture. 24 (3): 399–427. doi:10.2307/3104759. JSTOR3104759.
jstor.org
Foley, Vernard; Steven Rowley; David F. Cassidy; F. Charles Logan (July 1983). "Leonardo, the Wheel Lock, and the Milling Process". Technology and Culture. 24 (3): 399–427. doi:10.2307/3104759. JSTOR3104759.