| http://www.w3.org/ns/prov#value | - At one end ???of the before named cranks, is secured a cam, made of steel, iron, or other metal, which cams ???serve to give a zigzag or sideways motion to each of the gangs of hooks, necessary to perform ???their duty. ???The slant or side motion of the hooks, calculated from ten to forty degrees, more or less. ???Connected with one end of each of the before named cranks, is a spring, calculated
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