The Wealth of Nations by Part 2 Chapter 2 Page 55

fifteen shillings on the hundred pounds. Those agents were not always able to replenish the coffers of their employers so fast as they were emptied.

In this case the resource of the banks was to draw upon their correspondents in London bills of exchange to the extent of the sum which they wanted. When those correspondents afterwards drew upon them for the payment of this sum, together with the interest and a commission, sonic of those banks, from the distress into which their excessive circulation had thrown them, had sometimes no other means of satisfying this draught but by drawing a second set of bills either upon the same, or upon some other correspondents in London; and the same sum, or rather bills for the same sum, would in this manner make sometimes more than two or three journeys, the debtor, bank, paying always