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Earth, Moon and Planets was a book written by Fred Lawrence Whipple and originally published in 1947. It has 302 pages. The book covers various aspects of the Earth, Moon, and planets within our solar system, like the physical characteristics of these bodies, their orbits, geological features, atmospheric properties, and the processes that shaped them.

The book General Astronomy was written by ?Sir Harold Spencer Jones. It was published in ?1922. This book contains 392 pages and covers various topics in astronomy. The topics mentioned in the book are related to ?celestial bodies, planetary motion, telescopes, and the solar system. It also includes information on stars, galaxies, and other astronomical phenomena.

The title "Les Observatoires Astronomiques" can be translated to Astronomical Observatories. This book consists of astronomical observations from the Royal Observatory of Belgium. It is written by P.Stroobant, E .Delporte, J. Delvosal and F. Moreau, and H. L. Vanderlinden. It is published in 1836

Madras and Kodaikanal Reports for the years 1898-1921, except 1899-1900 annual report.

This item was a magnetic compass which was used by M.K.Vainu Bappu during the visit to Kavalur for site survey. The magnetic compass is a tool used for determining direction on the surface of the Earth. It operates by using a magnetic pointer that aligns itself with the Earth's magnetic field. This type of compass is the oldest and most commonly used in various forms of transportation such as aircraft, ships, and land vehicles. The Earth's magnetic field acts as an enormous bar magnet with a North-South field that causes freely moving magnets to take on the same orientation. Although the direction of the Earth's magnetic field is not entirely parallel to the North-South axis of the globe, it is close enough to make an uncorrected compass a reasonably good guide. The inaccuracy, known as variation (or declination), varies in magnitude from point to point on Earth.

The book mathematical table by James Pryde chambers in the year 1883. It consists of 500 pages. It was published in 1833

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

This fond contain newspaper clippings related to M. K. Vainu Bappu durin 1979 to 1983

The fond contain newspaper clippings on Astronomy: Ionosphere reading of stars. This states that the Indian astrophysicists propose that the Earth's ionosphere disturbances caused by X-ray bursts (XAY BIRT) could signal stellar activity. This alerts astronomers to phenomena like Sc X1's X-ray emissions. Detecting the impact of stars on the ionosphere is challenging due to background interference, with debates on ionization and magnetic field effects. Dr. Sastri and Dr. Murthy's experimental study reveals a significant magnetic field increase during a Sc X1 flare. Understanding the ionosphere's response to X-rays, including gamma rays from catastrophic stellar events, may offer a distinctive detection method for monitoring space events, aiding astronomers in decoding cosmic phenomena efficiently.

The fond contain newspaper clippings on Crisis at The Raman Research Institute from 1990-10-20 to 1991-06-01