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Before treatment one.
Chappe d'Auteroche, abbé. Voyage en Sibérie, vol. 1. Paris: Debure, pere, 1768. The covers of this volume were detached. In order to provide support for the book during exhibition, the covers were reattached by a method called board…
Electro-plating with a hand generator
Electro-plating with a hand generator, owing to absence of mains current, at the Scientific Apparatus Supply Service factory, Chengdu, Sichuan, 1943. Used by permission.
Newspaper on popular science
A newspaper on popular science displayed outside the Kansu Science Education Institute. Photographer: Joseph Needham, 1943. (photo provided by NRI) Used by permission.
Science for Youth anniversary issue
Science for Youth one year anniversary issue reprinted in Minguo zhen xi duan kan duan kan (Short-lived and Ceased Periodicals from the Republic Era in Chongqing). Beijng. 2006. V. 4, p. 1923.
