This letter was about test observations and the conditions at maximum and minimum thermometers. Asking the opinion of C. M. Smith.

This letter was about the reproduction of Photoheliograms the Swan Electric Engraving Co. of London.

This letter was about the spectroheliograph, observations of widened lines in Sunspot spectra and prominence latitudes and frequencies.

This letter was about the extracts from two letters from Turner & Newall letters concerning the heating of rooms and also informing that he would meet C. M. Smith in January at Kodaikanal.

This letter was reply to C. M. Smith towards the heating employed in transit room and spectrograph room. Gilbert T. Walker's expressed his openion on heating of both the room in detail.

This letter was about a drawing of the spectroheliograph that was received at Gilbert T. Walker from the Cambridge Scientific Instrument Company.

This letter was about the continuation of the delayed telegram of 30th May 1905. It also contains the recommendation of the observatories committee & relating to spectroheliographic work.

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.