Incline+from+a+perpendicular

  • 91Drawing board — A 19th century architect at the drawing board A drawing board (also drawing table, drafting table or architect s table) is, in its antique form, a kind of multipurpose desk which can be used for any kind of drawing, writing or impromptu sketching …

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  • 92Ames room — An Ames room is a distorted room that is used to create an optical illusion. Probably influenced by the writings of Hermann Helmholtz, it was invented by American ophthalmologist Adelbert Ames, Jr. in 1934, and constructed in the following… …

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  • 93Ouvrage Molvange — Part of Maginot Line Northeast France …

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  • 94Liquid capacitive inclinometers — are Inclinometers (or Clinometers)whose sensing elements are made with liquid capacitive technology; they are considered gravity based. The best way to understand how they work is to think of a disc like cavity that is half filled with a… …

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