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 by about 1900 the firm had become a limited company. In 1951 Potter's amalgamated with the Eaglescliffe Chemical Company. The company closed in 1969 when it was owned by Albright & Wilson. Until closure Potter family members remained in senior management positions. Edmund Peel Potter was prominent in the local community and endowed a hospital on Chorley New Road, Bolton in pre-NHS years. His son Colonel Colin Kynaston Potter served with distinction in the Boer and First World Wars.(Ref.Papers in Little Lever library reference section) Little Lever was a hamlet, bounded on three sides, by the water courses, the River