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
A Long, Long Way to Tipperary A Long, Long Way to Tipperary It's a Long, Long Way to Tipperary is a 1914 Australian silent film based on the song "It's a Long Way to Tipperary" by Jack Judge. Irish woman Molly Malone is in love with Paddy O'Reilly, who emigrates to England to better himself. He enlists in the British army during World War I and is sent to the front. Another Irishman, Mick, desires Molly and swears vengeance on Paddy. Molly dreams that Paddy and Mick fight but then sees that she is reunited with Paddy. The film was one of several produced by the