Appleton's annual cyclopedia and register of important events: embracing political, military, an ecclesiastical affairs; public documents; biography, statistics, commerce, finance, literature, science, agriculture, and mechanical industry . Fig. 6.—The Lay of Cordage. rope). This kind of rope requires an extratwist to harden it and render it impervious towater, but this detracts from the strength ofthe fiber; besides, it stretches considerablyunder strain. Plain laid rope, moreover, con-tains more yarns than hawser-laid. Their rela-tive strength is as 8*7 to 6. A new processgives a cord substi
Appleton's annual cyclopedia and register of important events: embracing political, military, an ecclesiastical affairs; public documents; biography, statistics, commerce, finance, literature, science, agriculture, and mechanical industry . Fig. 6.—The Lay of Cordage. rope). This kind of rope requires an extratwist to harden it and render it impervious towater, but this detracts from the strength ofthe fiber; besides, it stretches considerablyunder strain. Plain laid rope, moreover, con-tains more yarns than hawser-laid. Their rela-tive strength is as 8*7 to 6. A new processgives a cord substitute for binding-wire, usedby farmers, of which $11,000,000 worth wasused in the United States in 1888. About $25,000,000 are invested in the manu-facture of cordage in the United States. About8,250 spindles are in use, including those usedfor rope and twine. The consumption ofhemp is 104,000,000 pounds annually, repre-senting an equal weight of the finished prod-uct. It is impossible to ascertain even approxi-mately the relative proportions of the differentsizes and qualities. White ropet—This term is commonly appliedto all rope made of untarred hemp. It is thestrongest cordage adapted to ordinary use. Back-handed Rope.—In th
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Keywords: ., bookcentury1800, bookdecade1870, bookidappletonsann, bookyear1875
