The item is a copy of letter from M. R. Ry., Ramasubbiah Garu, Tahsildar of Dharapuram, To the Deputy Collector, Erode Division regarding occurance of an earthquake in Eswarachettipalayam, hamlet of Sadayapalayam village on December 17, 1908.

List of disturbances recorded by the Milnes Seismograph at Colaba, Bombay on July to December 1915 where apparatus sued wad Milnes Horizontal Pendilum (E-W)

The letter gives a report on the occurance of the earthquake from east to west at about 12:30 of 15th December 1898

Letter from the director of the Geological Survey of India to the director of Kodaikanal Observatory, Evershed asking for the copy of the seismographic records taken at the Madras Observatory taken on 23rd May 1912

This letter is about asking for the copies of records of the Turkestan earthquake of January 3rd, 1911

This letter is enquiring about the record of a shock of earthquake, slightly affecting Madras on or shortly before 16th March 1911

This letter is about sending a copy of the record of the Seismic disturbances obtained from the seismograph in use at the Alipore Observatory for the half year from 1st January to 30th June 1903 together with photocopies.

This letter informs about the occurance of earthquake on 8th February 1900 at 3 and 3:10a.m.

This letter is about reporting on the occurance of earthquake as informed by collectors and Tahsildars at some villages of Chittoor

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.