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
Lever Brothers Factory agreed that Lever Bros would purchase three-quarters of the shares in J.Kitchen & Sons in return for cumulative preferred ordinary shares in Levers. Levers later bought all the remaining shares, and by about 1923-24 fully owned both companies. Shortly after, the company became known as Lever & Kitchen. In 1989, the Home and Personal Care businesses of Lever & Kitchen merged with Rexona in Australia to form L&K: Rexona. The company changed name in 1993 to Lever Rexona and in 2000 merged with Unilever Foods to form what is now Unilever Australasia. At its prime in 1958, the Balmain factory