CABLE

(Yunanca köken — orijinale bakınız.) The rope or chain by which the anchor of a ship is held. Cables in Europe, until within a recent period, were usually made of hemp, but of late years iron chains have come much into use. A hempen cable of 12 inches girth, and length 120 fathoms, weighs 30751bs. Since the weights of two cables of equal lengths will be as their sections, or squares of the girths, it ia easy to deduce the following rule for the weight of any 178 [s. 192]