This is a letter from messrs Siemens Brothers to the executive engineer Madura stating that no overhead line was mentioned in the tender for the electrical installations in Kodaikanal Observatory between the engine house and pumping set of the wall.

This letter from Messrs S. K. Dhar and Brothers to the Chief Secretary to the Government of Madras regarding Endorsement no. 1484 - 1 , which was transferred to the Director of Kodaikanal and Madras observatories

The letter is from Messrs Grindlay & Co to the Director of Kodaikanal and Madras Observatories regarding Invoice of publications. The invoice is attached with the letter.

The letter is from Messrs Grindlay & Co to the Director of Kodaikanal and Madras Observatories regarding Invoice of the catalogue of scientific and technical books. A list of periodicals is also sent with the letter.

This is a letter from M.Brown executive engineer Madura special division to the director of Kodaikanal and Madras Observatories informing that the chief engineer has accepted the Messrs Siemens brothers contract agreement for electrical installation in Kodaikanal.

This is a Letter from M.Brown executive engineer Madura special division to the Superintending engineer VI Circle regarding revised estimates for the engine house to the Kodaikanal electrical installations.

This letter corresponds to a bill payment for Re.1-10-0 regarding the cost of the supply arrangements to Maharaja Takhatsingji Observatory through a telegram to the Director of the Poona Observatory from The Madras Observatory. It says that the telegram for sending to Poona cannot be paid to the Madras Observatory, as stated in article 1337 of Civil Accounts Cods, Vol II. So the Governor in Council has authorized the Accountant-General, Bombay, to arrange for its settlement in direct communication with the Accountant-General, Madras.

This letter came from M.R.Ry.A.V.Ramalinga Aiyar to the Director about revised estimate of Rs. 1560 for constructing 3 additional peons quarters at Kodaikanal

The letter is from K. N. Aiya Iyer, Chairman, Municipal Council to the Secretary to the Government of Madras, Local Self Government asking the Ministry to approve the proposal to extend municipal limits so as to include the Director's residence and other buildings belonging to the Observatory stating it was proposed in 1908 and its other pros and cons.

The letter is about Vagiswari's interest on ISI course and the book to be acquired for the library.