(Washington, Government Printing Office, 1894). 8vo. No wrappers as extracted from "Operations of the Division of Military Engineering of the International Congress of Engineers held in Chicago, under the Auspices of the World's Congress of the Columbian Exposition. 53 D Congress. Senate.". Titlepage + pp. 801-822 a. 1 large folded plate (the guns construction).
Order-nr.: 42769