The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1874

The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1875

The fond contains observations of the meridian circle reductions ( refers to the process of correcting the observed zenith distances measured by a meridian circle instrument ) taken from the Madras Observatory from the year 1862 to 1887. Meridian circle reductions refers to a process in astronomy and celestial navigation that involves observations made with a meridian circle instrument.

This letter is from John Evershed to G. C. Simpson, Director General of Observatories, in reply to D.O. No. 6347 about the visibility of eclipses from India and Mesopotamia in 1920. It was mentioned about the difference between Indian Standard time and Mesopotamian times of the eclipses.

This letter is from R. J. Pocock, Esq., Nizamiah Observatory, Hyderabad Deccan, to the address of Dr G. T. Walker, Director-General of Observatories, Simla, regarding the loan of one or two Chronometers From any of the Indian Observatories That have any to spare.

The letter is from John Evershed to Gilbert T. Walker regarding the rates of the Reifler clock. It states that the Reifler clock in Calcutta runs better than that in Madras.

The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1866

The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1873

The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1881.

The book contains the meridian circle reductions taken from the Madras Observatory. The observation table contains the values of North Polar Distance and Right Ascension for the celestial objects in 1882.