The letter is from John Evershed to the Director-General of Observatories, Simla, requesting the Government to sanction the estimate of Rs.1075 for a new pump and Rs. 340 for the alteration of the current pump house. He also stated that as the current pump is not working, the observatory building depends on rainwater, and during dry weather, it has to be carted from a distance; hence, at his request, the estimates were provided by the electrical engineer.

The letter is from John Evershed to Gilbert T. Walker replying to his letter about the transit room to be built on the Sion hills, he write his suggestions and return the plan diagram.

This is a letter from J.M.Lacey superintending engineer VI circle to the director of kodaikanal observatories asking for the return of plans and revised estimates for the electrical installations in Kodaikanal.

The letter is from J. Patterson to Charles Michie Smith regarding the request to provide Rs. 30 for glazed shutters for a dome. He asks to tell the requirements to the executive engineer so that necessary alterations can be made.

This is a letter from H.B.Holme the Under-Secretary to the Government of India Department of Revenue and Agriculture to the Secretary to the government of Madras , Public works department. It talks about the electrical installations at the Kodaikanal Observatory at the estimated cost of Rs.14,259. It also states that the estimates and plans are returned with the letter.

This is a letter from H.S.Northey executive Engineer Madura division to the Director of Kodaikanal and Madras Observatories regarding the repairs to the observatory buildings in Kodaikanal. It contains estimates amounting to Rs.330 for special repairs to the observatory at kodaikanal with 2 domes, Rs.320 for repairs at Magnetic observatory in Kodai, Rs.110 for repairs to the Anemometer tower in Kodai, Rs.115 for special repairs at the sliding roof building both old and new in Kodaikanal and Rs.64 for photoheliograph buildings with dome at Kodaikanal

This is a letter from H. L. Nicholson executive Engineer Madura to The Director of Kodaikanal Observatory on municipal water and drainage tax on Kodaikanal Observatory building. It states that Rs.120 per annum assessed on the observatory building is less than the assessed amount in the usual percentage on the capital cost of the buildings and it also addresses the issue of separating the part inside from the part outside the municipality.

This is a Letter from H. L. Nicholson executive Engineer Madura to The Director of Kodaikanal Observatory on municipal water and drainage tax on Kodaikanal Observatory building. It is a reply stating that no documents are available stating how a single assessment was fixed on all observatory buildings at Kodaikanal. It also states that in reference to the executive engineer madura division there is no documentation or certification about the above stated issue for the past 7 years.

This letter is from N.H.Nicholson executive engineer of Madura to the Director of Kodaikanal and Madras Observatories regarding the execution of work in Kodaikanal Observatory Building. It states that any new construction will be observed by Nicholson and these constructions should only be done with the knowledge of the department after the proposals were properly considered.

The letter is from H. B. Peirce, General Superintendent, Public Works Workshops, to the Executive Engineer, Madura Division, informing about the modification asked by Charles Michie Smith for the sliding roof under condition and the extra cost of Rs.120 is to be approved by the Executive Engineer.