The letter is from Thomas Royds to Le Directeur Observatoire Royal, Berlin, regarding missing volumes of publication. It consists of the list of publications that are not available in the Kodaikanal Observatory

The letter was sent from Thomas Royds to Gilbert T. Walker, the Director-General of Observatories, giving information about mean wind directions taken from Kodaikanal Observatory. The letter was sent from Kodaikanal to Simla in 1914.

The letter is from T.Royds to G. C. Simpson, Director General of Observatories, Simla, regarding a statement in nature on the August 26, 1915 issue. It states that the nature of copy has been sent to John Evershed but the paper by Glauert is being sent with the letter.

The letter is from Thomas Royds to G. C. Simpson regarding a book on arctic meteorology. It requests for receipt of the same.

The letter was sent to A. Bamford, who was the Superintendent Observatory, Colombo, as a reply to letter No. F M/567. The letter discussed the Great Trigonometrical Survey of India, Specifically the determination of the longitudes of the Madras.

This is a copy of a letter from the superintending engineer VI circle requesting for the return revised of plans and estimates for the construction of engine house connected with the scheme of electrical installations at the Kodaikanal Observatory.

The letter is from the superintendent of the trigonometrical survey to the Director of Kodaikanal and Madras Observatories, forwarding proofs of the results of the reduction of the sun charts.

This letter is from the Superintendent of Telegraphs, Trichinopoly Division, to John Evershed asking about rainfall frequency in the last three years in some places regarding some interruption that happened to telegraph communication.

The Superintendent of Telegraphs, Central Telegraph Office, Madras, has written to the Deputy Director, Madras Observatory, Madras, regarding the inconvenience faced by the Alipore Observatory in operating without regular time signals at 16 hours on Sundays. While there are no objections to discontinuing the signals elsewhere, it has been decided that they shall not be sent to any office on Sundays, starting from June 6, 1909, except to the Alipore Observatory.

This letter is from the Superintendent of Telegraphs to the Director of the Solar Physics Observatory, Kodaikanal, regarding the two-minute time signals. The Deputy Director of Madras Observatory had been requested to send time signals from 15:58 to 16 hours.