Compound lever the force of pushing back the stick to the levers and they rub against the wheels, using friction to slow and eventually stop the train. These are everyday applications of this mechanism. A piano key is a compound lever of the first-class, since the fulcrum is between the weight to be moved and the power. The purpose of this lever is to translate a small movement (depression of the key) into a larger and fast movement of the hammer on the strings. The quality of the resulting tone depends on whether the final speed is brought about by gradual or
Leslie Lever, Baron Lever they lost. His younger sister and three younger brothers were all lawyers. His brother Harold was also a Member of Parliament. He served as Lord Mayor of Manchester (1957–58), attending 2,700 official engagements. His political career both as a councillor and M.P., representing inner city slum areas. He was knighted by Popes John XXIII and Paul VI, as well as by the Queen in 1970 for his philanthropic work. He died in Manchester in 1977, aged 72. Leslie Lever, Baron Lever Leslie Maurice Lever, Baron Lever, GCSG (29 April 1905 – 26 July 1977) was a British Labour politician. He