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William Pettit Trowbridge Papers
William Petit Trowbridge
出版1862
URLhttp://books.google.com.hk/books?id=iwm8jwEACAAJ&hl=&source=gbs_api
註釋Papers and correspondence concerning construction of bridges, refrigeration, and deep sea soundings. Collection includes patents for an improved bridge and for a method of deep sea soundings; published pamphlet "Design for a bridge of long span" by Trowbridge; U.S. Military Academy diploma.