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
The World that was Ours is implicit in any totalitarian state.' "The World that was Ours" is dedicated to 'the men of Rivonia' - Nelson Mandela, Walter Sisulu, Ahmed Kathrada, Dennis Goldberg, Govan Mbeki, Elias Motsoaledi, Andrew Mlangeni and Rusty Bernstein - as well as to their devoted counsel, Bram Fischer. The World that was Ours The World that was Ours (1967) is Hilda Bernstein's personal account of life in Johannesburg under the oppressive surveillance of the apartheid regime. Hilda and her husband Rusty Bernstein were both detained, along with many others, in the aftermath of the Sharpeville massacre of 1960. Upon their release, Rusty