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 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.

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.

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.

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

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 mentions about forwarding a copy of the Royal society's letter to the Director, Solar Physics Observatory, Kodaikanal for his information and guidance.

This item is a letter from the meteorological reporter to the government of Madras to the Director of Kodaikanal and Madras Observatories for approval and return of a plan and estimate to convert a portion of the north verandah of the observatory into a and extending the water pipes to the office. It also contains a request for having the two pillars at both ends of the room occupied by the office to be removed.

The letter is from Mount Wilson Observatory to the Librarian Solar Physics Observatory Kodaikanal regarding publications. It states that the requested publications have already been sent and might have failed to reach.

The letter is from the National Academy of Sciences to Thomas Royds regarding the Proceedings of the National Academy. It states that the academy would like to send its proceedings in exchange for the publications of the Kodaikanal Observatory.