Journal of the Association of Engineering Societies (1881)
Association of Engineering Societies (U.S.) · New York, [etc.] Board of Managers · leaf 247
ft. O. POWELL-MOVABLE DAMS. SLUICE AND LOCK GATES OF THE BEAR-TRAP TYPE. JOURNAL OF THE ASSOCIATION OF ENGINEERING SOCIETIES. PLATE 4 … asou, Jo S/JDij plump ut ■//
Engineering
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
