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Scientific American, Vol. 96, No. 5 (1907) (1907)

leaf 7

An illustration from Scientific American, Vol. 96, No. 5 (1907), 1907, leaf 7
planking, and chains, however, “side lines,” as they are called, con- boards cut for buildings, bridges, and other purposes sisting of wire rope are stretched around the raft be- in Washington and Oregon annually, a very large quantity of material for piling and telephone and tele- tween the chain… … until the highest ort the timber in this form. On the other hand, portion is rarely the depth in the water allows only a very slow over ten feet above the surface. To fasten such a brick wall, the end of each stick being placed opposite rate of speed to be maintained. The average time re- quired…

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