THEORY OF INSTRUMENTS
Astronomical Clocks, Chronometers. Pendulum Clocks. Quartz Clocks. Atomic Clocks.
Recording Devices. Electromagnetic chronographs. Cilindric Chronographs. Electronic Chronographs. The Description of the Composition of these Instruments and their Use.
Universal Instrument. Description and Rectification. Instrumental Errors that Effect the Measuring of Vertical Angles. Instrumental Errors that Effect the Measuring of Horizontal Angles.
Zenit Telescope. Description and Rectification. The Theory of this Instrument and its Usage.
Transit Instrument. Description and Rectification. The Theory of this Instrument and its Use.
Meridian Circle. Description and Rectification. The Theory of this Instrument and its Use.
Equatorial. Its Description and Rectification. The Theory of this Instrument and its Use.
Astrograph. Its Description and Rectification. The Theory of this Instrument and its Use.

METHODS OF DETERMINATION OF THE POSITION AND THE TIME.
Methods for Determining Clock's Correction, Especially the Method of Meridian Transit.
Methods for Determining Geographic Latitude, Especially the Talkot's Method.
Methods for Determining Geographic Longitude, Especially the Time Signals Method.
Methods of Absolute and Relative Determination of Right Ascension and Declination by Using a Meridian Instrument.
Methods of Relative Determination of Right Ascension and Declination by Using an Equatorial.
Methods of Photographic Determination of Right Ascension and Declination by Using an Astrograph.