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
Move Closer to Your World Move Closer to Your World Move Closer to Your World (MCTYW) is a television news music package composed in 1972 by jingle writer Al Ham under his Mayoham Music label. In the 1970s it was considered an anthem for local television news, and is considered the anthem of WPVI-TV in Philadelphia for its Action News programs to the current day. An original long version was sung by The Hillside Singers, and a short clip of that vocal version is used by WPVI as part of their closing theme song when extra fill-in time is required. Once a common theme across