Dated form of cun (“Chinese unit of length”).
Wooden ruler of the western Han dynasty, unearthed at Jinguan Pass Site in Jinta County
Dated form of cun (“Chinese unit of length”).
A section of an old Hong Kong ruler, showing the last (10th) cun of a chi. One can see that the chi in that jurisdiction was exactly equal to 14+5/8 of an inch. A metric ruler is shown next to it for comparison.