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This item was about the photograph of Thomas Royds. Thomas Royds (1923-1937) succeeded John Evershed as the Kodaikanal Observatory Director in 1923 and retired in 1937.

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.

The letter was from Thomas Royds, Assistant Director of Observatory, Kodaikanal to G.C. Simpson, the Imperial Meteorologist, Simla. Through this document, Thomas Royds conveyed a new method for taking the mean wind directions in this letter. The document was written in 1914 from Solar Physics Observatory, Kodaikanal.

This is a proposal letter from the revenue department of the Government of Madras regarding the adoption of standard time in India. The proposal discusses fixing an Indian Standard Time for all Indian railways and telegraphs. It will be precisely 5.30 hours ahead of Greenwich Mean Time and 9 minutes ahead of Madras Time. Additionally, the proposal suggests fixing a Burma Standard Time for use on all railways and telegraphs in Burma, which will be precisely 6.30 hours ahead of Greenwich Mean Time and 5 minutes ahead of Rangoon time.

The document is a pay slip of Thomas Royds for the month of March in 1916, Issued by the Assistant Account General office, Madras. During that time he was working as Assistant Director of Kodaikanal Observatory.

The fond contains documents of Thomas Royds, the past director of Kodaikanal Solar Observatory. It consists of mainly official letters, administrative documents, pay slips and handwritten documents related to Thomas Royds.

The item deals with the appointment of Thomas Royds as the Director of the Kodaikanal and Madras Observatories, with effect from 26th February 1923 after the retirement of John Evershed. It is mentioned that a copy of the letter was forwarded to the Director-General of Observatories, wide no.524-16, and another copy was forwarded to the Director, Kodaikanal and Madras Observatories, Kodaikanal, for information.

The document contains the appointment details of Thomas Royds as the Acting Director of the Kodaikanal and Madras Observatories during the absence of John Evershed on his deputation to New Zealand.

This letter was a copy of an office order was sent by The Director of Ordnance Factories, Calcutta to The Director, Kodaikanal & Madras Observatories, in 1919. The document contains details regarding reuniting with Thomas Royds, Kodaikanal Observatory's Assistant Director, by August 4th, 1919.

The Office order is about granting leave to Thomas Royds for 15 days. The order was issued by E. D Maclagan, the Secretary of the Government of India, from Delhi in 1914. It is stated that copies of the order were sent to the directors of the Kodaikanal and Madras observatories as well as the director general of observatories.