The Wealth of Nations by Part 2 Chapter 1 Page 14

The third and last of the three portions into which the general stock of the society naturally divides itself, is the circulating capital; of which the characteristic is, that it affords a revenue only by circulating or changing masters.

It is composed likewise of four parts:

First, of the money by means of which all the other three are circulated and distributed to their proper consumers:

Secondly, of the stock of provisions which are in the possession of the butcher, the grazier, the farmer, the corn-merchant, the brewer, etc., and from the sale of which they expect to derive a profit:

Thirdly, of the materials, whether altogether rude, or more or less manufactured, of clothes, furniture, and building, which are not