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The fond contains Result of astronomical observations made at the honourable, the East India company's Observatory at Madras volume 1 to 5.

This fond contains correspondences related to queries sent to Kodaikanal Observatory.

The fonds contain posts and telegraph between the telegraph department and the Director of Kodaikanal Observatory

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

The album contains photos and observations related to Norman Robert Pogson, an English astronomer who worked in India at the Madras Observatory as a Government astronomer from 1861 to 1891. He undertook observations of comets and found numerous minor planets. The album starts with a photograph of Norman Robert Pogson, who had signed it himself. Images of the Madras Observatory and Kodaikanal Observatory, as well as photos of Pogsons's Grave and brass plaque at St. George's Cathedral, Madras, are also archived in this album. In addition, copies of the critical astronomical observations undertaken by N. R. Pogson. A copy of the catalogue for the observation of the minor planet 'Asia', a hand-painted solar spectrum of the total Solar Eclipse in 1868, a copy of the title page of observations of the fixed stars made with the meridian circle and a title page of variable star catalogue. The photographs in this album were collected and presented to Ms. Cherry Amstrong, the great-great-granddaughter of Norman Robert Pogson, during her visit to the Kodaikanal Observatory on 16th February 2006.

The album comprises around 200 photographs categorized under two events. The first event was the visit of a committee of Members of Parliament on paper laid on the table; Rajya Sabha Members visited the institute and its laboratories on 15th July 1994. The second event was the visit of MP to the Kodaikanal campus in 1992.

The album contains photos of the buildings and events at Kodaikanal Solar Observatory in Tamil Nadu, India. The observatory was established in 1899 as a Solar Physics Observatory, and all the activities of the Madras Observatory were shifted to Kodaikanal. Firstly a few photos of this album are of telescope domes and buildings, particularly North and South domes and 6-inch and 8-inch telescope buildings. After that, several photos of the pump house near the administrative building for the well and administrative section of the old radio astronomy building are arranged. Photos of the second national solar physics workshop on 29th September 1987 are followed by photographs of the rear side of the spectrobuilding and road from the specrto tunnel towards the library. Photos of the solar tower taken in 1980, huts near the I and M building, and front, back, and side views of H alpha and Ca K spectrohelio graphs are arranged in the middle of the album. In addition to that, photos of the solar tower tunnel, library building, and Bhavanagar dome can be seen in the album.

The album contains photos related to the Solar Physics Observatory at Kodaikanal during Dr Anil Kumar Das's directorship. It was established in 1899 as a Solar Physics Observatory, and all the activities of the Madras Observatory were shifted to Kodaikanal. The photographs in this album illuminate the critical events in the history of the Kodaikanal Observatory from 1946 to 1955. The visit of eminent scientists and astronomers, official meetings and conferences, celebrations, and farewells and staff of the observatory during the period can be seen in the album.

The album contains images of famous figures from politics, science, and related sectors visiting the Kodaikanal Observatory. The visit by Jawaharlal Nehru, the first Prime Minister of India, and the visit by Indira Gandhi during the tenure of the Prime Minister and other ministers from Indian politics are preserved in the album. It also has photos of Prof. S. Chandrasekhar and Homi J. Bhabha's visit. Group photos of M. K. Vainu and his colleagues at the Kodaikanal Observatory are also preserved in the album.

The album contains photos related to the visit of Cherry, great great granddaughter of Norman Robert Pogson, Government astronomer of Madras Observatory in 1860's to the Kodaikanal campus in 2006.