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The fonds contain circulars and letters from the Meteorological Department, Government of India.

This letter is from Colonel St. G.C. Gore to the Meteorological Reporter to the Government of India and Director General of Observatories about the Vertical force Magnetograph, which had been sanctioned for Kodaikanal.

This letter is from the Director of the Meteorological Reporter to the Government regarding the examination of the dividing engine and careful testing on object glass of the Microscope.

This letter is enquiring about the record of a shock of earthquake, slightly affecting Madras on or shortly before 16th March 1911

This letter is from the Director to Meteorological Reporter to the Government of India & Director General of Indian Observatories reply about the forwarding extract from the letter of the Director-General of Stores, London regarding the turning lathe stating that the specification for it supplied by Messrs, Cooke & Sons Seems most satisfactory.

This letter is from the Director to Meteorological Reporter to the Government of India & Director General of Indian Observatories stating that the instruments in question are in use

The item is Letter from the Meteorological Department to the Director of Kodaikanal & Madras Observatories, containing a copy of letter No.543/43 dated 27 Oct 1903 from the Officer in charge, No.26 Party (Magnetic) to the Meteorological Reporter to the Government of India and Director General of Indian Observatories, proposing a visit of 7 to 10 days to the Colaba Magnetic Observatory during the latter part of January and Kodaikanal during the following month.

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.

The item is a memorandum to the meteorological observer, informing them to keep observation notebooks and calculation books for coding the daily weather telegram for only two years and to destroy those for the third preceding year.

This item was about the photograph of granite pillar in meteorology department compound at Nungampakkam, Chennai as seen today. In the compound of the Meteorology Department in Chennai, there is a 15-foot tall granite pillar weighing 10 tons. This granite pillar is part of the Regional Meteorological Centre in Chennai and is preserved as a monument. This is the place where Madras Observatory was existed.