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Machinery and processes of the industrial arts, and apparatus of the exact sciences. By F. A. P. Barnard

United States. Commissioners to the Paris Universal Exposition, 1867

出版	U.S. Government Printing Office, 1869
URL	http://books.google.com.hk/books?id=dKUzAQAAMAAJ&hl=&source=gbs_api
EBook	FULL_PUBLIC_DOMAIN