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This subject has been fully illustrated by Dr. Smith, in the first chapter of the first book of the "Inquiry into the Nature and Causes of the Wealth of Nations," where the extraordinary effect of the division of labour in increasing its productive powers, in the more complicated cases, is displayed in some very remarkable instances. He states that a boy, who has been accustomed to make nothing but nails, can make-upwards of two thousand three hundred in a day; while a common blacksmith, whose operations are nevertheless so much akin to those of the nailer, cannot make above three hundred, and those very bad ones. (en) |