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121Romney, Hythe and Dymchurch Railway — Romney, Hythe Dymchurch Railway Northern Chief at New Romney Overview Type Light railway Locale Ken …
122Cable railway — A cable railway (also known as an incline or inclined plane) is a steeply graded railway that uses a cable or rope to haul trains. IntroductionCable railways are typically built where the gradient of the route is so steep that a conventional rail …
123Thomas the Tank Engine and Friends annuals — About the Annuals=After the Railway Series was published, many Thomas Annuals were printed and sold. They are still being made in print to this day. The Annuals have contained many activities, stories, and information about Thomas and his friends …
124Air well (condenser) — High mass air well of Belgian engineer Achile Knapen in Trans en Provence …
125Ammonia — For other uses, see Ammonia (disambiguation). Ammonia …
126Ido — Infobox Language name=Ido caption=Seal creator=A group of reformist Esperanto speakers date=1907 setting=International auxiliary language speakers=See community section agency=Uniono por la Linguo Internaciona Ido fam2=International auxiliary… …
127Northern Ireland — This article is about the country. For other uses, see Northern Ireland (disambiguation). Northern Ireland Tuaisceart Éireann Norlin Airlann …
128Gravity assist — In orbital mechanics and aerospace engineering, a gravitational slingshot, gravity assist or swing by is the use of the relative movement and gravity of a planet or other celestial body to alter the path and speed of a spacecraft, typically in… …
