Murray, Andrew, 1813-1872, Murray, Robert. Steam-ships, Creuze, Augustin Francis Bullock, 1800-1852 · Edinburgh : A. and C. Black · leaf 128
ship is in progress of being built, her weightis partly supported by her keel on the blocks, and partly byshores. In order to launch her, the weight must be takenoff these supports, and transferred to a movable base ; anda platform must be erected for the movable base to slideon. This platform must… … For this pinpose, an inclined plane, a, a (figs. 62 and 63),purposely left unplaned to diminish the adhesion, is laid oneach side the keel, and at about one-sixth the breadth of the
Naval architecture · Steamboats
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