There are, indeed, a few manufactures, in which the necessary rise in the real price of the rude materials will more than compensate all the advantages which improvement can introduce into the execution of the work in carpenters' and joiners' work, and in the coarser sort of cabinet work, the necessary rise in the real price of barren timber, in consequence of the improvement of land, will more than compensate all the advantages which can be derived from the best machinery, the greatest dexterity, and the most proper division and distribution of work.