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
Wanted: A Husband Wanted: A Husband Wanted: A Husband is a 1919 American silent comedy film starring Billie Burke. It was produced by Famous Players-Lasky and distributed by Paramount-Artcraft. The film is based on the short story "Enter D'Arcy" by Samuel Hopkins Adams. The relatively unknown Lawrence C. Windom directed this lost film. As described in a film magazine, Amanda "Darcy" Cole (Burke) is a normal young woman with a pleasing personality who, strangely enough, has no suitors. Her friends announce their engagements from time to time and each announcement giving her added cause for alarm. Gloria Green (Linden), an ardent physical culturist,