Sciotheric telescope

from The Collaborative International Dictionary of English v.0.48

Sciotheric \Sci`o*ther"ic\, a. [Cf. L. sciothericon a sundial.
   See {Sciatheric}.]
   Of or pertaining to a sundial.
   [1913 Webster]

   {Sciotheric telescope} (Dialing), an instrument consisting of
      a horizontal dial, with a telescope attached to it, used
      for determining the time, whether of day or night.
      [1913 Webster]