This is a reply letter stating that the Director cannot undertake the construction of any new building without the sanction of the Government of India because it is not in the main building of the observatory but a very short distance away

This is Reply letter to Mr Adams about working out seismograms so that they adopt the form proposed by the International Commission.

This reply letter was sent to the Deputy Director of Madras Observatory informing the amount had been recovered from A.A. Narayana Aiyar in three instalments at Rs. 26-10-8 in the pay bills for April, May and June 1913.

This is Reply letter to the Director General of Observatories from J.W. Hearn sanctioning the extension of Mr John Evershed's services for a further one year, effective from 26th February 1922.

This is Reply letter to the Director General of Observatories from John Evershed stating the instrumental co

This letter was written to the Executive Engineer, Madura Special Division, about the allotment of funds to the Madras P.W.D. that would be made by the Imperial General of Observatories for some building works. And the partial allotment of funds at the request of the Director General of Observatories.

This reply letter was sent to the Superintendent of Telegraphs from John Evershed, enclosing the rainfall statistics of Kodaikanal Observatory, which was requested in the previous letter.

This is Reply letter to U.O. No. 1921 of 3rd May to the Director General of Observatories from John Evershed about a suggestion of exposing of Grass Minimum thermometer at the highest point of hill away from trees or bushes.

Report of the Director General of Observatories on the Observatories of Kodaikanal, Madras, Bombay and Alibag written by Gilbert T. Walker

The letter contains details of Kodaikanal's mean wind direction for 1912. The values from January to December are given in tabulated form. The report was prepared by Thomas Royds, Assistant Director, Kodaikanal Observatory.