Note 83 — Chapter III
Reading edition
In the Ju shih we wên, quoted in the T´ao lu, bk. ix., fol. 19, where we are told that "merchants bring fragments of Ch´ai ware to sell for 100 ounces of silver. They say that if inlaid in the helmet at the approach of battle, they are able to turn aside the fire implements (huo ch´i)."