Note 1 — Chapter I · THE IMPERIAL FAMILY AND COURT
Reading edition
The koku, or “stone,” contains 5.13 bushels; is the measure by which revenue is estimated; is the standard value of the country; and is generally considered equivalent to one gold kobang. The only invariable standard of value in the world is the average amount of food that will suffice to keep a man in health—a pound varies, the other does not.