the dwelling-houses of his workmen, etc.; of the capital which the undertaker of a mine employs in sinking his shafts, in erecting engines for drawing out the water, in making roads and waggon-ways, etc.; of the capital which the person who undertakes to improve land employs in clearing, draining, enclosing, manuring, and ploughing waste and uncultivated fields, in building farm-houses, with all their necessary appendages of stables, granaries, etc. The returns of the fixed capital are in almost all cases much slower than those of the circulating capital; and such expenses, even when laid out with the greatest prudence and judgment, very seldom return to the undertaker till after a period of many years, a period by far too distant to suit the conveniency of a bank.

Traders and other undertakers may, no doubt, with great