This item is a photograph of P. R. Chidambara Ayer. The date and other information need to be identified.

This item was about the Norman Robert Pogson in 1861. N.R. Pogson was appointed the government astronomer at Madras, India. When he arrived he had to work under harsh conditions. He found the instruments in a bad shape and there were no proper staff to assist him. In spite of all these he began a series of observations which terminated with his death 30 year later. He as credited with 50,000 observations most of which were published by Michie Smith after Pogsons death. During his stay in Madras he discoverd several minor planets and detected large number of variable stars. He named his daughters after the minor planets he discovered. He was also well known for his work in comets and solar eclipses.

This item was about the visit of the Prof.S.Chandrasekhar and Lalitha Chandrasekhar in the optics lab of IIA Bangalore campus. Dr.M.K.Vainu Bappu explaining about the instrument from the optical lab.

This fond was about pendulum clock used at the Madras Observatory manufactured sometimes in 1786. The clock is now in Kodaikanal Solar Observatory and still in working condition.

These photographic slides contains drawings of porters, telescopes, and other astronomical instruments.

These photographic slides contains different images of Mcdonald observatory.

These photographic slides contain the images of the spectrometer, and Ondrej telescope related to the Optical Science Department of Royal Observatory, Edinburgh.

The photographic slides contain some images of Pogson's transit, Madras Observatory, Osmania University, Goldmigham, K D Naegamvala, Uranus painting(1977), the post-war development committee(1945), etc.

The photographic slides contain some images of records in 1794,1812, 1809.

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.