The letter was written by Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories, approving the estimates of Rs.1075 and Rs.340 for the new pump and alterations in the pump house. He also mentions that the Local Government will allot the funds from the provision made in their budget for Imperial Works.

The letter is from John Evershed to the Superintending Engineer VI circle, Trichinopoly, forwarding the countersigned estimates and requesting to start works as soon as practicable.

The letter is from Gilbert T. Walker, Director General of Observatories, to The Secretary to the Government of Madras, P.W.D, Madras, reporting that no works on which expenditure is imperial and not less than Rs.2500/- will be required during the ensuing year. And requested funds from 1917-18 for the special repairs of the roof of the spectroheliograph building.

The letter is from Gilbert T. Walker, Director General of Observatories to The Secretary to the Government of Madras, P.W.D, Madras, forwarding duly approved and countersigned plan and estimate of Rs. 2340/- for special repairs to the roof of the spectroheliograph building at Kodaikanal. Also adding, if it's not convenient to provide the funds during 1916-17, the work may be carried out in the year 1917-18 before cold weather.

The letter is about sending a copy of the seismic disturbances obtained at Alipore observatory

This letter is about information of sending a copy of the seismic disturbances obtained at Alipore observatory

The letter is from Gilbert T. Walker to the Director Kodaikanal informing about enclosing a copy from the Finance Department sanctioning thr transfer of the observer's house at Periyakulam together with its site to the Govt. of Madras free of cost.

The letter is from G.T. Walker to the Director of Kodaikanal and Madras Observatories informing about the sanctioned increase in pay of the photographic assistant at the Kodaikanal Observatory from the progressive pay of Rs. 30-40 to a fixed pay of Rs. 50/- per mensen with effect on 1 st May 1912.

The letter is from Gilbert T. Walker to the superintendent of meteorological Observatory regarding the telegraphic address. It states that the telegraphic address for the meteorological observer has been registered as weather.

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.