This letter from Gilbert T. Walker was sent to the Director General of Stores regarding a serious impediment to use the dividing engine and rust on the object glass of the microscope. He requested the Director to forward it via post for transmission to the Cambridge Scientific Instrument Company

The letter is from Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories regarding Kodaikanal Observatory Bulletin. It is a request for two more copies of the Kodaikanal Observatory bulletin, and in future, 57 copies are required.

The letter is from Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories regarding Kodaikanal Observatory Bulletin. It requests modifications to be made in the number of copies sent to Alipore to be made to 60.

The letter was about the salary given to P. R. Chidambara Ayer when he was working as the Meteorologist at Madras. The letter was written in 1920.

The letter is from Gilbert T. Walker to the Director of the Kodaikanal and Madras Observatories regarding the Annual reports of the Kodaikanal Observatory. It requests 54 copies of the annual report to be sent to Alipore and 6 to Simla.

The letter is from Gilbert T. Walker to the Director of the Kodaikanal and Madras Observatories regarding the Annual reports of the Kodaikanal Observatory. It requests 59 copies of the annual report to the Calcutta office.

The letter is from Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories regarding Annual reports. It requests 70 copies of annual reports to be sent to the Simla meteorological office.

The letter is from Gilbert T. Walker to the Director of the Kodaikanal and Madras Observatories regarding the distribution list of publications. It grants permission to add Hern Schulz Hamburg to the distribution list of publications.

The letter is from Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories regarding the distribution list. It is a reply letter granting permission to add to the distribution list. It requests permission to add the names of Dr. Henrich Konen, Prof. Dr. P. Kempf, Prof Ames, and M. Farmen to the distribution list.

The letter is from Gilbert T. Walker to the Director of Kodaikanal and Madras Observatories regarding the distribution list. It is a reply letter granting permission to add to the distribution list the names of the editors of the astronomischen Nachrichten and the Director of the Meteorological Observatory of the Imperial University of Jourieff.