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This item was about total solar eclipse of 18th August 1868. At Masulipatnam Pogson detected the hydrogen line emission, with a spectroscope. He saw a bright yellow line near the position of D lines of Sodium. The line originated from hitherto unknown element later termed as helium after the source of earliest detection. Hand coloured sketch of the solar spectrum during the Total Solar Eclipse of 1868. Hand coloured picture of the sun before and after the total solar eclipse 1868.

This item is a group photo of employees in the Kodaikanal Observatory in 1913.

The letter is a Government Order forwarded to the Director of Kodaikanal & Madras Observatories informing about the sanctioning of Rs.6380 for the construction of a photoheliograph at Kodaikanal Observatory.

The letter was discussing about the simple methods deviced for daily weather telegram

The book General Astronomy was written by ?Sir Harold Spencer Jones. It was published in ?1922. This book contains 392 pages and covers various topics in astronomy. The topics mentioned in the book are related to ?celestial bodies, planetary motion, telescopes, and the solar system. It also includes information on stars, galaxies, and other astronomical phenomena.

This letter was about the foundation stone of planetarium laid by Bappu, MKV in Bangalore.

This item was about the photographic coverage of flag hoisting ceremony conducted at Kavakur Observatory.

The cassette contains a lecture on felicitation of Prof. R. Cowsik

The item was about the original glass plate that recorded the "Evershed Effect" in 1909.

This fond contains correspondences related to electrical installations in Kodaikanal Observatory