The Civil engineer and architect's journal, scientific and railway gazette (1839)
London : [William Laxton] · leaf 133
n which are threedies corresponding with others on the top of the wrought-iron stem.By using the centre die, every description of flat and circular workcan be riveted, and by selecting those on the sides it will rivet thecorners, and thus complete vessels of almost every shape. Anotheradvantage of…
Architecture · Civil engineering · Science
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