This letter is from Gilbert T. Walker to Charles Michie Smith being thankful for contribution to the annual summary and also he gave suggestion about the form of correspondence to keep together everything about buildings and spectroheliograph in separate file

This is a reply letter from Gilbert T. Walker to the Director of Kodaikanal and Madras observatories informing that the drums of the thermograms are not always interchangeable. It further states that he is giving calcutta office instructions regarding sending of the drums.

This is a letter from Gilbert T. Walker to the Director of Kodaikanal and Madras observatories informing that the Richard's daily Thermograph by L.Casella has been forwarded by rail

The letter is from Gilbert T. Walker John Evershed regarding a pamphlet requested previously. It states that the requested pamphlet is enclosed with the letter as a gift for the Kodaikanal library and requests if they could send their publications occasionally

This letter was a forwarded copy of this office D. O. No. 312 dated 20th August 1906 (addressed to Professor Fowler, London) to the Director, Solar Physics Observatory, Kodaikanal, for information.

The letter informs about the handing over the reports of different observers in Northern India with regard to the earthquake of the 4th of April

This letter was about sending a copy of the "Preliminary note on Srimangal earthquake of 8th July 1918".

The letter is a copy of a letter from G. S. Rama Ayyar, Superintending Engineer, VI circle to the Secretary to the Government of Madras, Public Works Department regarding funds for a new pump in Kodaikanal Observatory forwarded to the Director of Kodaikanal and Madras Observatories. It requests to allocate the budget for the installation of the pump from the budget 1921-1922.

The letter is from G. S. Rama Ayyar, Superintending Engineer, VI circle to the Director of Kodaikanal and Madras Observatories asking whether arrangements can be made to fit the pump in next April or May as the funds might not be available for the cost of the pump during the official year.

The letter is a forwarded copy of a letter from G. S. Rama Ayyar, Superintending Engineer, VI circle, to the Executive Engineer, Madura Division, asking for the action report taken on the installation of a new pump, asking to take it urgently as the Director needs it to be installed before Christmas.