آلة طحن
قراءات اضافية [تحرير | عدل المصدر]. Hounshell, David A. (1984), From the American system to mass production, : The development of manufacturing technology in the United States, Baltimore, Maryland, USA: Johns Hopkins University Press, ISBN, LCCN . Roe, Joseph Wickham (1916), English and American Tool Builders, New Haven ...