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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 album contains archival documents related to John Evershed, a brief biography, photographs, scientific discoveries in astrophysics, drawings, and sketches of observations from the Kodaikanal Solar Physics Observatory. The album starts with a crisp description of the life of John Eveshed. The photographs in the album are based on the following themes: the mechanical workshop and the spectroheliograph, the plaque installed in 1975 in Kodaikanal to commemorate the discovery of the Evershed effect, observatory buildings, and Evershed with the Kodaikanal Observatory staff. In addition, a detailed description related to the Evershed effect is reproduced from bulletin No. XV(1909) of Kodaikanal Observatory, a photo of Halley's comet and a picture of the moon hand-drawn by Evershed, spectra of nova aquilae in 1918, pencil sketches by Evershed on the solar prominences are preserved in this album. Each item is provided with captions.

The album contains photographs related to the professional and personal life of John Evershed, particularly in India, Australia, and England, from 1909 to 1953. The album shows different events such as John Evershed using a spectroheliograph at Kodaikanal, camp life in India, Evershed with his wife at Kashmir, a group photo including Evershed, Thomas Royds, and the Kodaikanal Observatory staff, the visit of Evershed for his research at Srinagar, Kashmir, and Wallal, a photo of Evershed and his signature. At the album's end, the photo of his old age at Highbroom and Heath cottage with his pet dog- Brock, has also been archived.

The album contains photos related to the Solar Physics Observatory at Kodaikanal during Dr Anil Kumar Das's directorship. It was established in 1899 as a Solar Physics Observatory, and all the activities of the Madras Observatory were shifted to Kodaikanal. The photographs in this album illuminate the critical events in the history of the Kodaikanal Observatory from 1946 to 1955. The visit of eminent scientists and astronomers, official meetings and conferences, celebrations, and farewells and staff of the observatory during the period can be seen in the album.

The item consists of one black and white photograph of past employees of the Kodaikanal Observatory with Thomas Royds and his wife and Dr. A. L. Narayana in 1913. Thomas Royds was the third director of the Kodaikanal solar observatory, followed by Narayana.

The item contains a photograph of Dr. Normad (DGO) and Dr. A. L. Mudaliar's visit to the Kodaikanal Observatory. The Director, Dr.A. L. Narayan, Dr. Normad (DGO), Dr.A. L. Mudaliar, and staff are in the photograph.

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.