photochronograph love



from The Century Dictionary.

  • noun An instrument for the observation of star-transits by photography.
  • noun A chronograph in which the tracing or record is made by the action of a pencil of light on a sensitized surface.
  • noun An instrument for taking photochronographic pictures. See photochronography.
  • noun A picture taken by this method.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Physics) An instrument for recording minute intervals of time. The record is made by the power of a magnetic field, due to an electric signaling current, to turn the plane of polarization of light. A flash, coinciding in time and duration with the signal, is thus produced and is photographed on a moving plate.
  • noun (Astron.) An instrument for the photographic recording of star transits.


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