Dipleidoscope definition

Dipleidoscope





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1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Dipleidoscope \Di*plei"do*scope\, n. [Gr. ? double + ? image +
     -scope.] (Astron.)
     An instrument for determining the time of apparent noon. It
     consists of two mirrors and a plane glass disposed in the
     form of a prism, so that, by the reflections of the sun's
     rays from their surfaces, two images are presented to the


     eye, moving in opposite directions, and coinciding at the
     instant the sun's center is on the meridian.
     [1913 Webster]

















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