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

Article
兩件人工變法, Two artificial tricks

Keywords: practical instruction , general knowledge,

Article
取乾電法, How to reuse a dry cell

陳果 Chen Guo (Author),

Keywords: practical instruction ,

Article
蟹可治奇疾, Crabs can treat odd diseases

Keywords: practical instruction , food and drink, general knowledge,