counterbalance system
91Wei Yuanzhong — (魏元忠) (d. 707 [The traditional historical sources were unanimous in asserting that Wei Yuanzhong died on the way to exile, implying, but not establishing to a certainty, that he died the same year he was exiled.] ), né Wei Zhenzai (魏真宰), formally …
92Halifax — /hal euh faks /, n. 1. Earl of (Edward Frederick Lindley Wood), 1881 1959, British statesman. 2. a seaport in and the capital of Nova Scotia, in SE Canada. 117,882. 3. a city in West Yorkshire, in N central England. 91,171. * * * City (pop., 2001 …
93Combilift — Ltd is the manufacturer of a range of multi directional forklifts for the material handling industry. The company is based in Monaghan, Ireland. The Combilift was the world first IC engine Multi Directional Forklift.[citation needed] The company… …
94Double dump valve — Double dump valves, also known as double flap valves or double flap gates, are a type of airlock valve commonly used in industrial applications as a component in bulk material handling applications. Double dump valves are primarily used to… …
95CULTURAL LIFE — Introduction The movement for the return to Zion which emerged as a force at the end of the 19th century was based on a variety of motivations, including the political – the demand for an independent homeland where the Jews could forge their own… …
96Empiricism — John Locke, a leading philosopher of British empiricism This article is about the field of philosophy. For the album by Borknagar, see Empiricism (album). Empiricism is a theory of knowledge that asserts that knowledge comes only or primarily via …
97Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …
98Democratic Republic of the Congo — Not to be confused with the neighbouring Republic of the Congo. Coordinates: 2°52′48″S 23°39′22″E / 2.88°S 23.656°E / 2 …
99Newton's law of universal gravitation — Classical mechanics Newton s Second Law History of classical mechanics  …
100Invariable plane — The invariable plane of a planetary system is the plane passing through its barycenter (center of mass) which is perpendicular to its angular momentum vector. In the Solar system, about 98% of this effect is contributed by the orbital angular… …
