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This letter was forwarded to the Director requesting to communicate the date for the photographic plates

This is a reply letter to T. Royds stating the length and width of the morse tape required for chronograph

A thanksgiving letter to Simpson for the data of a) Black bulb for the year, b) minimum on rass for year, c) sunshine January to April

This fond contains items related to the bills and sanctions for the purchase of books and periodicals.

The fond contains correspondence related to Signaling Time from 1904 to 1923. It has letters from Thomas Royds, Gilbert T. Walker and the Director General of Telegraphs.

This item is a group photo of employees in the Kodaikanal Observatory in 1913.

Thomas Royds wrote this letter to inform the Director General of Observatories that he had joined as the Director of Kodaikanal and Madras Observatories on August 3, 1913. It was sent from Kodaikanal in 1913.

This letter is discussing there will be some difficulty with 12th readings of cloud motion meteorological observations on holidays unless some special arrangement is made

This letter encloses a distribution list for the photographic plates ordered in the last indent

The letter contains details about Thomas Royds' enrollment in the Indian Army Officers Reserve.