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optical comparator
also called Comparator

3 more terms with the same name exist. Show the other terms
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  1. a device that applies the principles of optics to the inspection of manufactured parts

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
  2. often simply called a comparator in context

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
  3. In a comparator, the magnified silhouette of a part is projected upon the screen, and the dimensions and geometry of the part are measured against prescribed limits

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
  4. The first commercial comparator was a creation of James Hartness, whose long-continuing work as the Chairman of the U.S.'s National Screw-Thread Commission led him to apply his familiarity with optics (from his avocations of astronomy and telescope-b

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
  5. His Hartness Screw-Thread Comparator was for many years a profitable product for the Jones and Lamson Machine Company, of which he was president

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
  6. In subsequent decades optical comparators have been made by many companies and have been applied to the inspection of many kinds of parts

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on December 30, 2008
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