© Courtesy of the C. V. Starr East Asian Library, Columbia University.

Article
鑑別金法, a way to distinguish real gold

Keywords: general knowledge,

Article
止流血法, a way to stop bleeding

Keywords: general knowledge,

Article
磁器耐用法, a way to make procelain hard-wearing

Keywords: general knowledge,

Article
治頭髮奇癢法, itchy scalp treatment

Keywords: general knowledge,

Article
去桐油污衣法, a way to wash Tung oil blottnig clothes

Keywords: general knowledge,

Article
去足趾雞眼, to eliminate corns on the foot fingers

Keywords: general knowledge,

Article
去燭污法, a way to wash wax blotting clothes

Keywords: general knowledge,