An instrument for tracking moment periods of the time. The record is manufactured because of the energy of a magnetic industry, because an electric signaling current, to show the airplane of polarization of light. A flash, coinciding eventually and length aided by the sign, is hence produced and is photographed on a moving plate.
An instrument for photographic recording of star transits.
a musical instrument to take photochronographic photos. See photochronography.
A picture taken by this process.
a musical instrument when it comes to observation of star-transits by photography.
A chronograph where tracing or record is created by the action of a pencil of light on a sensitized area.