The Wealth of Nations by Part 1 Chapter 11 Page 184

costs in Europe, will purchase or command a greater quantity of labour and commodities in India. It is more advantageous, too, to carry silver thither than gold; because in China, and the greater part of the other markets of India, the proportion between fine silver and fine gold is but as ten, or at most as twelve, to one; whereas in Europe it is as fourteen or fifteen to one. In China, and the greater part of the other markets of India, ten, or at most twelve, ounces of silver will purchase an ounce of gold; in Europe it requires from fourteen to fifteen ounces.

In the cargoes, therefore, of the greater part of European ships which sail to India, silver has generally been one of the most valuable articles. It is the most valuable article in the Acapulco ships which sail to Manilla. The silver of the new continent seems