Precision Hydrostatic Level and Flatness Measuring Devices, Systems and Methods
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United States of America Patent
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Feb 17, 2017
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Aug 22, 2013
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A water-holding cup for use in connection with a hydrostatic system for measuring with precision, a level normal to gravitation of a surface, said cup comprising: a cup height h thereof from a bottom to a top of said cup when said cup is resting upon the surface, which cup height h is known a priori within acceptable measurement errors; mirroring on a bottom surface of said cup; and at least two water outlets for fluidically interconnecting said cup with other like-cups, said outlets oriented at a fitting angle of at least five (5) degrees downward.
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