Murray, Andrew, 1813-1872, Murray, Robert. Steam-ships, Creuze, Augustin Francis Bullock, 1800-1852 · Edinburgh : A. and C. Black · leaf 117
stem in preference to the other. With any side or sister keelsons this is difterent, as it Side orwould be inconvenient to break the floors or frames again, sister keel-In cases where such sister-keelsons are to be used as ■engine or boiler bearers, it would much improve tiieirstrength, and they… … Fi(;.4I. ihe points, in addition to general strength, which requireattention, are, that if the keel be injured by the vessel takingthe ground, it shall cause as little damage as possible to thevessel itself. A keel should also be capable of being variedin strength, so that it may be made stronger…
Naval architecture · Steamboats
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