At each increase of knowledge, as well as on the contrivance of every new tool, human labour becomes abridged.
No person will deny that the highest degree of attainable accuracy is an object to be desired, and it is generally found that the last advances towards precision require a greater devotion of time, labour, and expense, than those which precede them.
The half minute which we daily devote to the winding-up of our watches is an exertion of labour almost insensible; yet, by the aid of a few wheels, its effect is spread over the whole twenty-four hours.
Perhaps the most important principle on which the economy of a manufacture depends, is the division of labour amongst the persons who perform the work.
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