From the Greek word "ABAX", meaning "calculating board" or "calculating table". Invented by the Chinese, the first record of the abacus was from a sketch of one in a book from the Yuan Dynasty (14th Century).

A Chinese steelyard is an instrument used to measure weight. Chinese steelyard balance with ivory beam, brass pan and counterpoise.

The history of Chinese coinage remains one of the most important chapters in China’s cultural history.

Over the years numerous rules were developed and popularized in relation to the making of brushes, ink, paper and inkstones.

The sedan or sedan chair (Jiaozi), a traditional vehicle of transportation carried by bearers, was called at the beginning jianyu (shoulder carriage), being a carriage that traveled on human shoulders. Jiaozi is its comparatively modern name.In old times, sedans fell into two major categories: the guanjiao (official sedan) and the minjiao (private sedan).There was yet another type of sedans for hire to the common people for use on weddings. They were called huajiao (flowery sedan) or xijiao (happiness sedan).