The Wealth of Nations by Part 4 Chapter 3 Page 27

any time within six months, upon re-transferring to the bank a quantity of bank money equal to that for which credit had been given in its books when the deposit was made, and upon paying one-fourth per cent for the keeping, if the deposit was in silver; and one-half per cent if it was in gold; but at the same time declaring that, in default of such payment, and upon the expiration of this term, the deposit should belong to the bank at the price at which it had been received, or for which credit had been given in the transfer books.

What is thus paid for the keeping of the deposit may be considered as a sort of warehouse rent; and why this warehouse rent should be so much dearer for gold than for silver, several different reasons have been assigned. The fineness of gold, it has been said, is more difficult to be