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Scientific American, Vol. 21, No. 6 (1869) (1869)

leaf 3

An illustration from Scientific American, Vol. 21, No. 6 (1869), 1869, leaf 3
ll is essentially prevented from tained by firmly splicing several pieces together ; their lower heating. ends are often from 12 to 18 inches in diameter, and 15 feet of as a bran new invention, working successfully among the The breaker, or cracker, is formed by strong studs project- the bottomend… … about the piece of the timber. Besides the saving of labour, passing vessels drawing out the poles. As soon as one pole is between other studs, or teeth, projecting from the inside of and the gaining of time, which is effected by this engin, it in its place, the guy line of the boat, C,is attached…

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