The letter is from W.B. Gorbon to different departments regarding the revision of the charge on account of upkeep of electrical installations, stating that with effect from 1st April 1912, the charge for repairs shall be assessed at the rate of 5 percent per annum on the capital cost of installations.

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 Fond is related to Magnetic Observatory of Kodaikanal

This letter to the Executive Engineer of Madura from the Director of Kodaikanal and Madras Observatories for consulting architect to the Government of Madras to furnish the original dorms but he lent it to the sub divisional officer when he was preparing plans for the new domes and also he mentioned it was not like several other plans lent been returned to him.

This letter to the Director General of Observatories, Simla from Rai Bahadur Bishun Svarup directing to request to send a copy of a type plan or approved design for a small observatory with a revolving dome about 18' or 20' diameter showing mounting for the dome and revolving gear etc.

This letter is from Gilbert T. Walker to the Secretary to the Government of India asking for assistance from the Government in securing the loan for the Kodaikanal Observatory of a prism, which was in charge of the Joint Permanent Eclipse committee of the Royal Society and the Royal Astronomical Society.

This letter was written to the Director, regretting that they cannot undertake to open the box at their risk, and also they are forwarding the case without opening it and are unable to get a drawback of 7/8 of the duty under the circumstances.

The fonds contain correspondence regarding various instruments and their reading in the Kodaikanal Observatory

The letter is from Adam Hilger Ltd to the Director-General of Observatories Simla, informing that the parcel post has despatched the optical parts ordered.

The letter is from John Evershed to the Officer in Charge Dehradun, informing them of an issue with the earth inductor. It also states that repairing it at the Calcutta mathematical instrument office is better.