Lever a place to stand, and I shall move the Earth with it' is a remark of Archimedes who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). It is assumed that in ancient Egypt, constructors used the lever to move and uplift obelisks weighing more than 100 tons. A lever is a beam connected to ground by a hinge, or pivot, called a fulcrum. The ideal lever does not dissipate or store energy, which means there is no friction in the hinge or bending in the beam. In this case, the power into the lever equals
Darcy Lever 1965 for a road and river crossing at Darcy Lever. Many bridges were constructed along the length of the canal, most were small allowing access to farmland, although many are wide enough for a horse and cart. In places where the canal crossed important thoroughfares, such as Water Street in Radcliffe, Radcliffe Road in Darcy Lever and Agecroft Road in Salford, larger bridges were constructed. Darcy Lever Darcy Lever is an area of the Metropolitan Borough of Bolton in Greater Manchester, England. Historically part of Lancashire, the area lies on the B6209 (Radcliffe Road), between Bolton and Little Lever. Its