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Sewing Machine , Background
Before 1900, women spent many of their daylight hours sewing clothes for themselves and their families by hand. Women also formed the majo… Typewriter , TYPEWRITER. The idea of the typewriter emerged long before the technology existed for its practical or economical production. A patent was issued in… Threshing , Skip to main content
threshing
threshing or thrashing, separation of grain from the stalk on which it grows and from the chaff or pod that covers it.… Turing Machine , British mathematician Alan Turing (1912–1954) described what became known as the "Turing Machine" in his 1936 paper, "On Computable Numbers, with an… Machine , machine, arrangement of moving and stationary mechanical parts used to perform some useful work or to provide transportation. From a historical persp… Diurnal Curve Method , diurnal curve method
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