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
Darcy Lever Fogg died in September 1630, the holding had increased to twenty messuages, a water mill and moiety of two fulling mills along with other land in Darcy Lever In 1632 the mesne tenure had changed and Ellis Crompton after two post mortem inquisitions about John Crompton (his father), held Darcy Lever directly. By 1665, the Bradshaws had taken a considerable parcel of land for their estate. It is not sure how John Bradshaw (died 1662 ) and his wife, the daughter of Robert Lever, (who had purchased some land from Chisnall) came about the land but it can be assumed