Compound lever sudden movement of the key. The earliest remaining writings regarding levers date from the 3rd century BC and were provided by Archimedes. ""Give me a place to stand, and I shall move the earth with a lever"" is a remark attributed to Archimedes, who formally stated the correct mathematical principle of levers (quoted by Pappus of Alexandria). The idea of the compound lever is attributed to the Birmingham inventor John Wyatt in 1743, when he designed a weighing machine that used four compound levers to transfer a load from a weighing platform to a central lever from which the weight
Charles Lever of Lever's daughter, Julie Kate Neville. Henry Hawley Smart is said to have taken Lever's work as one of his models when he set out on his career as a sporting novelist. Eugene O'Neill lists Lever as one of the authors represented on the family bookshelf in "Long Day's Journey into Night", along with Shakespeare, Nietzsche, Gibbon, "et al". Charles Lever Charles James Lever (31 August 1806 – 1 June 1872) was an Irish novelist and raconteur, whose novels, according to Anthony Trollope, were just like his conversation. Lever was born in Amiens Street, Dublin, the second son of James