Letter from the Secretary of the Science Section of the Coronation Exhibition, 1911 of the Art, Industries and the Resources of the British Empire to the Director, Royds of the Madras Observatory regarding the suggestion of Prof. Milne, F.R.S that the director should be written to with a view of forwading the copies of any seismograms of earthquakes, photographs of the effects of the earthequake.

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.

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.

This letter is regarding enclosing of a copy of the trace of the Milne Seismograph for the Turkestan Earthquake obstained at the Solar Physics Observatory

The letter is from V. Balakrishnan Pillai, Divisional Officer, Dindigul, to The Director of the Observatory, Kodaikanal, asking to instruct the Tahsildar o Periakulam about what is to be done with the barometer left at the Taluk Office and intimate the fact to him.

This letter was sent to Gilbert T. Walker from John Evershed to compare the sunshine with the average of ten years of sunshine with Kodaikanal and Srinagar. Also, he mentioned he wanted to visit Kashmir in a sunny month to get perfect observations.

This letter was sent to John Evershed, enclosing the velocities of the earth relative to the sun and a photograph of the Cu lines at 4480 and 4509. It is mentioned that the cost of the plates illustrating the bulletin was £3.7.9(500 copies), but the details had been sent to the Accountant General.

This letter was sent to John Evershed from Gilbert T. Walker to correct an error in the Nephoscope by observing a divided scalereflected in the glass.

This letter was sent to John Evershed from Gilbert T. Walker, asking for an arrangement of a nephoscope for the extended observations started in Agra.

This letter was sent to John Evershed from the Director General of Observatories related to correction in readings of daily weather telegrams.