About Kao Gong Ji
The Kaogong ji, translated as the Record of Trades, Records of Examination of Craftsman, or Book of Diverse Crafts, is a classic work on science and technology in Ancient China, compiled towards the end of the Spring and Autumn period. The study of Kao Gong Ji, Kao Gong Ji Jie, was published ca 1235 by Lin Xiyi 林希逸.
