Murray, Andrew, 1813-1872, Murray, Robert. Steam-ships, Creuze, Augustin Francis Bullock, 1800-1852 · Edinburgh : A. and C. Black · leaf 118
L.....-7 Fig. 46. breaking weights of these beams, at the distances of 10 feet,15 feet, 20 feet, and 30 feet between the supp irts, are re-spectively 10, 15 J, 21, and 22 tons. The thickness of thewebs may be considered by many to be too tliin, but a beamof tlie annexed figure (fig. 47) is given by…
Naval architecture · Steamboats
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