the intermediate sill. During the process of pumping out the dock, the same four conduits be- come drainage conduits, and they ex- hydraulic cylinders 19% inches tion of 9.5 feet above the floor of the dry dock. The motor of in diameter, in a special cham- The contractor for the construction of the…
Shipbuilding -- Periodicals · Shipbuilding industry -- Periodicals
Internet Archive · Smithsonian Libraries · Public domain (published before 1931). Free to use for anything.
