great deal of machinery, by which they facilitate and abridge their own labour. From the very little that is known about the price of manufactures in the times of the Greeks and Romans, it would appear that those of the finer sort were excessively dear. Silk sold for its weight in gold. It was not, indeed, in those times a European manufacture; and as it was all brought from the East Indies, the distance of the carriage may in some measure account for the greatness of price. The price, however, which a lady, it is said, would sometimes pay for a piece of very fine linen, seems to have been equally extravagant; and as linen was always either a European, or at farthest, an Egyptian manufacture, this high price can be accounted for only by the great expense of the labour which must have been employed about it, and the expense of this labour again could arise