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

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

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

In continuation of letter S.D.O. 7867, it was informed that the grating had not yet been delivered, and the related information from contractors was also enclosed.

The item was about M.K.Vainu Bappu was elected as President of the International Astronomical Union, which has 50 countries as a member.

The printed card contains information about the recommendation to the developer for studio and hand camera work.

This letter was about the Tungston Arc Lamp with power supply is being sent through A.Manickam, as instructed by director. He was seeking acknowledgement for the same to make necessary entries in the stock book.

The CD contains photos of the ceremony of J. C Bhattacharya's 1.3 meter telescope. It also contains photos of various eminent persons' speeches etc.

Thomas Royds wrote this letter to inform the Director General of Observatories that he had joined as the Director of Kodaikanal and Madras Observatories on August 3, 1913. It was sent from Kodaikanal in 1913.

The cassette contains lecture delivered by Prof. Arun Mangalam