1. Of all machines and instruments of labour;
2. Of all buildings and edifices erected for the purposes of industry;
3. Of every kind of agricultural improvement which can tend to render the soil more productive;
4. Of the talents and skill which certain members of the community have acquired by time and expense.
The circulating capital of a community consists,
1. In the money in circulation;
2. In the stock of provisions in the hands both of the producers and of the merchants, and from the sale of which they expect to derive a profit;
3. In the materials of lodging, clothing, dress, and ornament, more or less manufactured, which are in the hands of those who are employed in rendering them fit for use and consumption;
4. In the goods more completely fit for consumption, and preserved in warehouses and shops, by merchants who propose to sell them with a profit—book 2, chap. i.
Of the relation existing between the employment of these two kinds of capital—ibid.