This letter is from the sub-Division Officer, PWD, Dindigul, to the Ag: Director, Kodaikanal & Madras Observatories, regarding the rain gauge pillar that is already at Periyakulam, the sanctioned Rs.140 for the works and the materials arrived.

This is a letter from the superintendent madras division to the director of Kodaikanal and Madras Observatories regarding special attention paid to the matter of time signal and it being sent from Department office of at Madurai to the Observatory.

This letter is from the Superintendent of Telegraphs to the Deputy Director regarding time signalling.

This letter is from the Superintendent of Telegraphs to the Deputy Director regarding the signalling of time, which will be only for 2 minutes in future.

This letter is from the Superintendent of Telegraphs to the Director of the Solar Physics Observatory, Kodaikanal, regarding the two-minute time signals. The Deputy Director of Madras Observatory had been requested to send time signals from 15:58 to 16 hours.

The Superintendent of Telegraphs, Central Telegraph Office, Madras, has written to the Deputy Director, Madras Observatory, Madras, regarding the inconvenience faced by the Alipore Observatory in operating without regular time signals at 16 hours on Sundays. While there are no objections to discontinuing the signals elsewhere, it has been decided that they shall not be sent to any office on Sundays, starting from June 6, 1909, except to the Alipore Observatory.

This is a letter from the superintendent, observatory for surveyor general to the director of Madras Observatory to enquire about the value of 5hr.20mts.59.6secs.

This is a copy of a letter from the superintending engineer VI circle requesting for the return revised of plans and estimates for the construction of engine house connected with the scheme of electrical installations at the Kodaikanal Observatory.

This is the copy submitted to the Chief Engineer, Public Works Department, for information with reference to his memorandum about the estimate for the writer's quarters and the funds required for the year 1904-05 amounting to 10,950.Along with a copy of a letter from Charles. P. Butler, Ag: Director, Kodaikanal & Madras Observatories to Executive Engineer Madura regarding some construction needs at the Solar Physics Observatory, like a permanent building to hold the 4-inch photoheliograph, a glazed verandah for keeping the north-western side of the observatory dry, an open verandah for the Bookbinder's shed and quarters for the writer of the observatory.

This letter is from Thomas Royds to the Director General of Observatories stating new works regarding new buildings for Poona instruments. In this letter, the Superintending Engineer asked for 10,000 from the Madras Government for buildings.