This is a correspondence of the specifications for an observatory dome 18 feet in diameter regarding the previous letter. Here some hand drawn sketch of a dome specifications also included as reference.

This document contains details about an astronomical telescope that was indigenously constructed. It also includes testimonials about the telescope.

This letter was forwarded to the Director requesting to communicate the date for the photographic plates

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

The cassette contains a lecture on MARS delivered by Prof. C. Sivaram

This is a document containing the list of instruments available in the store at Kodaikanal Observatory as of November 1925

In this correspondence list principal astronomical instruments to the Madras Observatory and for Kodaikanal Observatory are mentioned

This item concerns about the rare white light flare recorded in hydrogen alpha at Kodaikanal Observatory. These observations were taken on photographic films or plates and digitized for scientific research purposes.

A reply letter from the Director mentioning the impossibility of fixing the sunshine recorder satisfactorily on the pier which was built for it. He also mentioned he will build a larger pier in a new and better site and will cement it in place as suggested

This reply letter mentions that the reflected ray is deviated approximately 1 degree when the Nephoscope was rotated