The Length of Yarn required for Cables, from 1 to 120 Fathoms. The Length of Yarn to Hawser-laid Cordage, from 1 to 140 Fath. Bolt-Rope The Length of Yarn for making Bolt-Ropes is as 7 to 10, that is, 21 Fath. of Rope will take 30 Fath. of Yarn. The Length of Yarn for a Strand of Buoy-Rope, or a Sheet, to bring about in 3 Parts. Stays, The Len. of Y. for mak. Stays is as 7 to 1, that is 3 Fa. of Ro. will take 21 F. of Yarn. The proportional Strength Ropes bear to each other.

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