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The fond contain compliation of Photographs, Newspaper Clippings and Correspondence to M.K. Vainu Bappu and Institutes

The fond contain compilation of Pogson's observations and drawing

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

The fond contain compilition of Newspaper clipping, photographs and graphs of Uranus ring observed at Kavalur observatory

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

Johannes Kepler's Astronomia Nova, published in 1609, was the oldest book available in the archives. It contains the results of Kepler's ten-year-long investigation of the motion of Mars. Where previous astronomers had relied on geometric models to explain the observed positions of the planets, Kepler discovered physical causes for planetary motion. Before Kepler, Nicolaus Copernicus proposed in 1543 that the Earth and other planets orbit the Sun. Kepler was the first astronomer to prove this conjecture with rigorous scientific arguments. This Volume has 336 pages and is in fairly good condition.

The book "An Elementary Treatise on the Lunar Theory with a Brief Sketch of the History of the Problem" was written by Hugh Godfray. Hugh Godfray (c1821-1877) first published his treatise in 1853, a year after he graduated from St. John’s College. Lunar theory would become central to George Darwin’s work, and he went on to form crucial theories regarding lunar acceleration, earth retardation, the earth-moon system, and the genesis of the moon. It was published in 1987

The book An Elementary Treatise on the Integral Calculus by Benjamin Williamson. This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization. It was published in 1884.

The atlas contains maps of different towns and provinces in Southern India in 1854. It has 134 pages.

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.