Murray, Andrew, 1813-1872, Murray, Robert. Steam-ships, Creuze, Augustin Francis Bullock, 1800-1852 · Edinburgh : A. and C. Black · leaf 100
and in theirrelative positions. The power of iron to resist compression is generallytaken at 31J tons, or 70,000 lb. per square inch. It is one of tiie advantages of iron over wood that itcan be made of any form, and that the foregoing prin-ciples, in as far as they are known, can be brought… … Fig. 26. Fig. 27. The proper proportions of iron-beams, and the consequent Diff rentrules for their strengths, have been much discussed. forms of Box-girders (Fig^ 27), were used for paddle beams ofJ™.™«»lvessels at Millwall liy RIessrs Fairbairn and Co. as early as^^^.^^ jjj_1840. They are…
Naval architecture · Steamboats
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