Translation of notes accompanying drawings concerning the construction of iron lock-gates : for the harbors of the Weser River, Germany / by G. Weitzel.
|Other Authors:||Weitzel, G. 1835-1884.|
Washington, D.C. : [U.S. Engineer Dept.], 1873.
Locks (Hydraulic engineering)
Weser River (Germany)
Notes signed: Hanckes. Bremerhaven, May, 1872.
8 p., 5 folded leaves of plates :
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