hen it is desired to|two hinged gates, formed of metal, and each constituting a|clear of vhe decks, returning the same on top of the tunnel locate the dam, water is admitted into the sections, causing | compartment similar to those into which the body of the dam | arch, as shown in Fig. 2, after… … cipal feature of the invention is the system of plate piles point of economy and conveniexce. which will doubtless be the piles are raised, and the dam floated and towed ahead until which surround the interior sides, and which may be forced evident to engineers generally. its rear gates embrace…
Internet Archive · Public domain (published before 1931). Free to use for anything.
