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 letter is about John Evershed and some of Kashmir Observation

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.

This letter was sent to the officer in charge of No. 26 Party (Magnetic), Dehradun, from John Evershed enquiring about the reading of the 13th temperature in the underground room of the Magnetic Observatory, which might be discontinued on Sundays.

This fond contains materials related to John Evershed that contains general local office materials including letters of all local government and administrations, proceedings, reports to the government of India etc., A large portion of the collection series contains information on observations from various scientists.

The book was second edition of 'On the connexion of the physical sciences' written by Mary Somerville published in the year 1835. The book contains 494 (i-xvi) pages. The book describes about astronomy, physics, chemistry, geography, meteorology and electromagnetism as they were scientifically understood at the time.

These Photographic slides contain compressed photos from Our Universe Book.

The photographic slides contain images of Neptune's atmosphere, Winds on Jupiter, Comet, Saturn's storm, the moon and rings of Uranus, Saturn's rings, Jupiter and some observational graphs. The slides were received from Dr. Vasundhara.

This fonds consists of newspaper clippings on the study of supernova phenomena.

The book the constellation as seen in Southern India by R. J. Pocock . It was reprinted from the Madras Times. It was published in 1923