Seven official letters pertaining to Gilbert T. Walker from 1903 to 1912 are included in the fond. This includes correspondence between Gilbert T. Walker and the Director of the Kodaikanal Observatory and the Meteorological Reporter to the Government of Madras.

This fond contains official letters related to Charles P. Butler during 1903-1904. It includes communications with the Meteorological Reporter, the Government of India and Director General of Indian Observatories, Simla, and the Officer Commanding Royal Engineers, Madras.

This fond contains materials related to C. M. Smith that has general local office materials including letters of all local government and administrations. The letters pertaining to conference proceedings, and correspondences from International Scientists. A large portion of the collection was associated with information on observation.

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.

This item was about Bhaskar Dutta's death at his residence, shantinagar in Bangalore on Friday night. It also speaks on his early education in Copenhagen, New York, Italy, before returning to India in 1978. He moved to the Indian Institute of Astrophysics in 1982. He specialised in neutron stars and pulsars.

This item was about the photo of Chintamanny Ragoonatha Chary (1840 - 1880). He was one of the first professional Indian astronomers who was attached to Madras Observatory. He worked with Captain Jacob and Mr.Pogson. He was well known for his work on variable stars, having discovered 2 variable stars, one R Reticuli 1871 and V Cephei 1878. He took an active part in two eclipses, total eclipse of the Sun 1868 and 1871. He was elected a fellow of Royal Astronomical Society in 1872. He brought out a pamphlet on the transit of Venus, This was not only in English but also in several vernacular languages.

This document was about brief description of Dr.M. K. Vainu Bappu's academic career, membership, participation in committees and societies, the medals awarded and the research area for which he contributed.

This document was about bibliography of Dr.M. K. Vainu Bappu's publications under the following headings, I.The Physics of the Sun, II. Physics of the Star, III. Physics of the Solar System, IV. Physical phenomena in galactic and extragalactic systems, V. Astrophysical Techniques.