This letter was sent from the Headmaster of Hindu High School to the Director asking for lend a spare set of Aerological instruments from Kodaikanal Observatory for recording observations.

The item is letter from the Meteorological Department to the Director of Kodaikanal & Madras Observatories, containing a copy of letter No.1286 from the Meteorological Reporter to the Government of India and Director General of Indian Observatories to the Director General of Stores, acknowledging Letter No.937 dated 19 Jan 1905 and saying that the Director of Kodaikanal Observatory is unable to send the details of the plates for the spectroheliograph until he has experimented with the plates, the information will be send as soon as it is available.

This letter is from Meteorological Department to the Director of Kodaikanal and Madras Observatories regarding a payment for one spectrum comparing Micrometer supplied to the Kodaikanal Observatory

The letter is from the Observer at Periyakulam Observatory, stating the list of instruments in the Periyakulam Observatory with the name of their maker. It also says all are in good condition.

This letter is from the officer in charge to the Director of Kodaikanal and Madras Observatories regarding cooperation in taking simultaneous magnetic observations, which Dr. L. A. Nauer of the Carnegie Institution of Washington requested.

This letter is from the Officer in Charge to the Director regarding the declination Magnetograph disinflation for overhauling and readjustment. He also asked to send the Barrackpore Magnetograph or any other available fine phosphor bronze fibre.

The letter is from the Board of Education, South Kensington, to Charles Michie Smith, informing them about the receipt of 78 spectroheliograms of the sun photographs.

The letter is from the Secretary, Board of Education, South Kensington, to Charles Michie Smith, stating that the 78 spectroheliograms of the sun photographs have been received.

This is a letter from Solar physics observatory Kodaikanal to Gilbert T. Walker regarding building a new roof. It explains about the issues the roof has now and concludes with the fact that a new roof has to be built before long due to the corrugated sheeting and leakages caused thereby

This letter is from Sub-division officer Kodaikanal to executive Engineer Madura regarding repairs to the observatory buildings. It states that the inspection of the observatory building have come to the conclusion with consultation from the Director. It states the further changes to be made in regards to repairs.