This item was about Suri Bhagavantam, who took over as scientific advisor to the Defence minister and Director General of DRDO in July 1961. he played a pivotal role in building up laboratories and advancement in research the land, war, and Air defence. It also speaks on his education, inspiration and achievements in physics. He has also written hundreds of research papers and is an erudite scholar in Sanskrit and Telugu.

The fond contains newspaper clippings related to IIA Field Stations from 1972-07-10 to 1978-04-14

The fond contains newspaper clippings related to Kalki from 1987-08-10 to 1988-03-19

This item was about the photo of N.R. Pogson and his first wife, Elizabeth Jane Pogson. It is a black and white picture in which both stood near a table. Mr.Pogson was well dressed, and Mrs. Pogson wore a white gown with a coloured scarf.

The book "Numerical Lunar Theory" was written by ?Sir George Biddell Airy. It was published in ?1886. The book focuses on lunar theory, specifically the mathematical and numerical calculations involved in understanding the ?moon's motion and its relationship with the Earth and other celestial bodies. It covers gravitational forces, orbital calculations, and the effects of perturbations on the moon's motion. It was 178 pages long.

This item was about the observations of great September comet of 1882 made on 11th September 1882. Observed from Madras Observatory by N. R. Pogson.

Observation summaries of July 28 to 31, Aug 1 to 19 and Dec 21 to 31.

This item was about the photograph of painting of Madras Observatory in 1792. It is considered as a postcard.

This item was about the observations of thirty one variable stars observed by late N.R. Pogson. In this, he had described the different positions and observations with figured illustrations of variable stars.

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.