The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 279
Fig. 3. number of tubes, d, d, through it, bith vertically and horizontally ;these tubes allow the sea to break through, and consequently lessenthe efiect tliereon, and likewise (end considerably to strengthen it;at the lower part of the frame-work a ballast-chamber is placed, whichhas the…
Architecture · Civil engineering · Science
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