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
William Lever, 1st Viscount Leverhulme order to become profitable and although Lever could probably have solved its problem though placing orders for most of his soap, he clearly wanted complete control. Having persuaded his father and younger brother that it would be a beneficial strategy, William raised sufficient capital for the takeover to take place and in August 1885 Lever and Company, wholesale grocers, added soap manufacturing to its range of activities. The success of the Sunlight brand, especially after Lever assumed full responsibility for the product's quality, was exceptional; so much so that by the end of 1887 it had become impossible to squeeze