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Seven Muscular WinchesPowerful and efficient, Andersen is our top pick.
The historians of engineering consider the six basic machines to be the screw, the wheel, the wedge, the lever, the inclined plane, and the pulley. A winch combines several of them in a compact package. Egyptians, who were keen on pyramids, may have used windlasses, horizontal barrels (or logs), to wind up lines and drag stones on rollers up their inclined planes. Much later, someone tired of killing slaves when they lost their grip on the cranks Subscriber Login Purchase selection, or begin your FREE 14-day trial subscription to practical-sailor.com. Click Here to download Adobe Acrobat |
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