C101 The inheritance of the hejiao family

The Carpenter's Square s were also known as the corner ruler, which was divided into four rows: the traditional inch, the Carpenter's Square s (measuring house, furniture), the Dinglan ruler (measuring house, ancestral tablet), and the centimeter four scale.

The first row had eight words engraved on it, they were money, sickness, separation, righteousness, official, tribulation, harm