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The album comprises photos of the second workshop on the Vainu Bappu Telescope at Vainu Bappu Observatory, Kavalur, from 19 to 20 April 1990. Images of the discussion and participants, the outdoor and indoor views of the observatory and the staff of the VBO can be seen in the album.

The album contains archival documents related to the building, instruments and observations at the Madras Observatory. It mainly includes an old photo of the Madras Observatory, a photocopy of the first observation taken in 1786 from the observatory, two pictures of Kater's pendulum hung in front of the Haswell clock in the observatory, a sketch of the Madras Observatory building from 1848 Taylor's catalogue and painting of Madras coast by Daniel.

The album contains photos of Norman Robert Pogson, an English astronomer who worked in India at the Madras Observatory as a Government astronomer during 1861-1891. He undertook observations of comets and found numerous minor planets. Pictures of his father, wife, and children, as well as old photos of Madras and Kodaikanal Observatory, are archived here. Images of C. R. Ragunathachary, who worked with Norman Robert Pogson, can be seen in this album. Some photos are related to his private observatory, Hartwell House, in England.

The album includes photographs taken of different events held at the Kodaikanal Observatory during the directorship of M. K. Vainu Bappu. The photos belong to the following events

1. Retirement of Poomban
2. Farewell party of Anil Kumar Das in 1960
3. M. K. Vainu. Bappu with the D. G. O. Mr P. R. Krishna Rao and other staff
4. M. K. Vainu. Bappu with Prof. s. Chandrasekhar and staff
5. M. K. Vainu. Bappu with Kodaikanal Observatory staff
6. Visit of Russian scientist to Kodaikanal Observatory
7. Kashiviswanathan with M. K. K. V. Bappu
8. The participants of the electronic class conducted by J. C. Bhattacharyya
9. M. K. Vainu. Bappu with Estimate Committee members
10. Retirement of C. G. Veeraraghavan
11. Retirement of P. Madhavan Nair
12. Retirement of N. Sundharam
13. Felicitation party of M. K.V. Bappu for his Padmabhushan Award
14. 1st Astronomical Society of India meeting
15. 1st Astronomical Society of India meeting

This fond contains letters, several photographs, and observations related to A. A Narayana Ayer during the year 1913-1920.

The fond contain correspondance of M. K. Vainu Bappu with C. V. Raman and mentors, donated by Mrs. Yemuna Bappu to IIA archives.

This fond encompasses materials centred around the achromatic telescope and its diverse mountings. It features detailed figures of the telescope and incorporates a comprehensive catalogue of instruments crafted by Troughton and Simms.

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.

This fond includes a comprehensive catalogue of the main fixed stars compiled at the East India Company's Observatory in Madras.

These photographic slides contain Sidney Harris astronomical cartoons.