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Carousel — This article is about the amusement ride. For other uses, see Carousel (disambiguation). Merry go round redirects here. For other uses, see Merry go round (disambiguation). Carousel in Paris, France A carousel (from French carrousel, from Italian … Wikipedia
Catherine wheel (firework) — The Catherine wheel (also Catharine wheel, pinwheel) is a type of firework consisting of a powder filled spiral tube, or an angled rocket mounted with a pin through its centre. When ignited, it rotates quickly, producing a display of sparks and… … Wikipedia
Stepped Reckoner — The Liebniz Stepped Drum (or Step(ped) Reckoner, a translation of its German name Staffelwalze,) was a digital mechanical calculator invented by German mathematician and philosopher Gottfried Wilhelm Leibniz around 1672 and completed 1694.cite… … Wikipedia
History of Lowell, Massachusetts — Lowell, Massachusetts is considered the Cradle of the American Industrial Revolution, as it was the first large scale factory town in America. Situated along the Merrimack River in northeastern Massachusetts, Lowell was founded to take advantage… … Wikipedia