This letter was about the performance of the Newton spectrograph, prepatory work and observations on sky.

This letter was about shifting the Lallemand cell to Kodaikanal. He left a separate note to Dr.Sinvhal also in this matter. Dr.Bappu explained its origin and its journey from Paris to Nainital.

The letter is from M. K. Vainu Bappu, Nizamiah Obsevatory to Prof. Raman telling that it is best to plan on acquiring equipment specifically for research on the sun. Adding that the sun plays important role in our general understanding of Astrophysics.

The letter is about water vapour observations. Bappu was also asking whether the point source lamp was used. He also mentioned that he would be in Bangalore on April 27.

This letter was about spectroheliograms that Saxenas sent to him. He suggested to improve on this by another factor of 200%. He explains his idea to work on spectroheliogram.

The letter is a copy of a letter from M. Brown to the Chief Engineer, Public Works Department, Madras, forwarded to Charles Michie Smith. It says about the sliding roof at the Kodaikanal Observatory.

The letter is from Landi Kotal to the Director of Kodaikanal and Madras Observatories regarding a Query related to standard time. A question was asked about the erecting of a helio-chronometer. Attached to the letter is an observation sheet indicating standard times.

The letter is from L. Robertson to Gilbert T. Walker, meteorological reporter to the government of India, informing that there is no objection from Michie Smith to go to Hyderabad, and it further states that as the visit is private purpose, the Nawab has to pay for travelling allowance fee and no other bills.

This letter is written to Mr. Field regarding the removal of the revolving dome of the 20-inch telescope and the sending of the instruments and apparatus to Kodaikanal. The letter also asks to send some microscopes to attach to the barometers in Kodaikanal, if there are any spare ones.

This letter was written by Kavasji Dadabhai Naegamvala to the Director of the Kodaikanal Observatory about the transmission of enlarging apparatus and a micrometer microscope under instructions from the Director of Public Instruction, Poona.