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
Little Lever Little Lever Little Lever is a large village within the Metropolitan Borough of Bolton in Greater Manchester, England. Historically in Lancashire, it is southeast of Bolton, west of Radcliffe and west-southwest of Bury. During the 19th century the population was employed in cotton mills, paper mills, bleach works, terracotta works, a rope works and in numerous collieries. Lever is derived from the Old English "laefre", which means place where the rushes grow. The township was recorded as Parua Lefre in 1212, from the Latin, "parva" meaning little. The name was recorded in several ways, Lethre in 1221, Leuere in 1278,