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These photographic slides contain photos of Solar eclipse, Solar corona and J.C Bhattacharya.

These photographic slides contain photos of the Mexico Eclipse camp in 1970, the solar corona in 1980, and the Spectrograph well.

The photographic slides contain some images of Pogson's transit, Madras Observatory, Osmania University, Goldmigham, K D Naegamvala, Uranus painting(1977), the post-war development committee(1945), etc.

The “Memorandums of the Imperial Academy of Sciences” publish scientific papers from various disciplines and contribute to academic research. Volume 52, containing the “Canon of Eclipses,” was a valuable resource for astronomy and astrophysics enthusiasts who want to study eclipses in the past and future and make predictions about such events. This publication comes from Theodor Ritter von Oppolzer and was published in 1887. The “Canon of Eclipses” was a comprehensive collection of over 13,000 solar and lunar eclipses, including all total solar and penumbral lunar eclipses between ?1208 B.C.E. and 2161 AD. This book provides detailed information on the timing, duration and location of all eclipses mentioned.

The fond contain compilation of Photographs, Newspaper Clipping, Pamphlets, Correspondence to Chinthamani Ragoonatha Chary and Transit of Venus.

The fond contains 3 books of Astronomical observations made at the honorable the East India Company's Observatory at Madras

A Treatise on Spherical Astronomy by Robert Stawell Ball was a work on positional or spherical astronomy. It was first published in 1908. It has 506 pages.The book covers various areas of study, including fundamental formulae, determination of coordinates, atmospheric refraction, the theory of cartography, and more. It assumes a good level of geometry and trigonometry knowledge from readers.

This fond includes a comprehensive catalogue of the main fixed stars compiled at the East India Company's Observatory in Madras.