ested ed; but the or pressing, pontoon of the and in non-ti- structure, in- dal basins. At stead of con- the same time sisting of a it possesses complete base several advan- of caissons, ex- tages over the tending the graving dock, whole Jength and if properly of the dock, is cared for is built up… … of marine of the vertical engineerin g. wall of the A public com- A 6,000-TON FLOATING DEPOSITING PONTOON DOCK. dock, opposite petition was to that to which the fingers are attached, is a floating in Russia for several years past; but neither of these opened for the acquisition of one of the docks,…
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