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 was living in 1246, ancestor of the Levers of Little Lever, who held a share of the manor until the beginning of the 17th century. In the Lever of Great Lever are charters referring to the Lever family. Adam de Lever and his son Ellis attested a grant; no. 45. Ellis son of Adam de Lever granted to William his son and his heirs a portion of his land in Little Lever. The bounds began at 'the Langcestre' (alias Hanycestre) where Denebrook fell into the great water called Lever (alias Letoce); ascended the brook to a ditch dividing Little Lever