The letter is from John Evershed to Gilbert T. Walker replying to his letter about the transit room to be built on the Sion hills, he write his suggestions and return the plan diagram.

The letter is from John Evershed to Gilbert T. Walker regarding the rates of the Reifler clock. It states that the Reifler clock in Calcutta runs better than that in Madras.

The letter was to inform G. S. Chowla the dislikeness of Dr.Gilbert T. Walker for the clamping arrangement made in R.A., and asking for the required arrangement to take make the clamping arrangements right.

The letter is from G. C. Simpson, imperial meteorologist, to John Evershed, Director of Kodaikanal and Madras Observatories, regarding 2 micrometres. It states that there were two Hilger bills as there were two micrometers filled with a new screw coating, and only one of the bills has been paid for.

This letter is from John Evershed to G. C. Simpson, Director General of Observatories, in reply to D.O. No. 6347 about the visibility of eclipses from India and Mesopotamia in 1920. It was mentioned about the difference between Indian Standard time and Mesopotamian times of the eclipses.

The letter was an acknowledgment of the photoheliograph received and experiences shared by using equatorial telescope to take solar photographs.

The letter was to inform Edward Barnes to arrange for trained workers for the magnetic observation that P. R. Chidambara Aiyar was supposed to do.

This letter is from J. Evershed to Dr. Gilbert T. Walker regarding sending of the lantern slides. Particulars of lantern plates is attached with this letter

The letter is to A. Vipan suggested starting the work on the roof of the spectroheliograph building as the weather was fine then, and the funds required had been met by reappropriation.

The letter was written in response to a request from Prof. Birkeland, University of Christiana, for the materials needed for his research. He had requested copies of photograms made on thirty specified days. Gilbert T. Walker signed on behalf of The Meteorological Reporter to the Government of India and the Director General of Indian Observatories.