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 1863

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 1862.

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 1862.

The letter is to the Director of Kodaikanal & Madras Observatory regarding the works done on the sliding roof and the effect of storms on it.

This memorandum was written from the superintending Engineer for submitting plans and estimate of Rs 21,300 for constructing quarters for the European Assistant to the Director

In this memorandum the government had under consideration the question of constructing residential quarters for the officers of the Police Department and proposed the portion marked 'D' in the enclosed plan of the Madras Observatory

This Memorandum no. 1619 is for Chief Secretary regarding the letter No. 123 dated 29 June 1898 where what kind of instruments are needed, cost of such instrument etc was asked

This fond encompasses a diverse array, including Indian Marine Surveys, Trigonometrical Surveys, the Inaugural Phase of Topographical Surveys, Route Surveys Beyond the Frontier of British India, the Revenue Survey of India, the Geological Survey of India, the Archaeological Survey of India, Astronomical Observations in India, and the Statistical Survey of India.

This fond contains medals and awards received by Dr. M. K. Vainu Bappu

Baldwin and Cradock 47 Paternoster publishes the maps under the Superintendence of the Society for the Diffusion of Useful Knowledge. It contains maps of the Islands of the Atlantic, The Antilles, British Island in the West Indies, the Empire of Japan and City plans of Dublin, Athen, Milan, Madrid, Liverpool, Moscow, Genoa etc.,