The letter is from the Director of Telegraph Engineering to the Director of Kodaikanal Observatory requesting to provide the magnetograms of any terrestrial magnetic storm of 22nd and 23rd March 1920. And the reply to it from the Director.

The letter is from the Director of Telegraph Engineering to the Director of Kodaikanal Observatory, thanking for the previously provided magnetograms and enquiring whether it is correct that the violet disturbance in the horizontal force continued on the 14th and 15th of May according to the traces in the magnetogram.

The letter is from the Director of Telegraph Engineering to the Director of Kodaikanal Observatory requesting to provide the magnetograms for the whole duration of the magnetic storm started at 1:30 PM on 14th May 1921.

The letter is from the Director of the Geological Survey of India regarding Publications of the geological survey of India. It states that some geological survey publications are forwarded with the letter. The list of the publications is mentioned in the letter.

The letter is from the Director of the Geological Survey of India regarding their publications. It states that some publications on the geological study have been forwarded with the letter.

Letter from the director of the Geological Survey of India to the director of Kodaikanal Observatory, Evershed asking for the copy of the seismographic records taken at the Madras Observatory taken on 23rd May 1912

A letter from the Director stating the change in focal length of the lens in question is not likely to be found seriously objectionable, if the lens proves satisfactory in other respects

Letter from the Director to Gilbert T. Walker regarding the tabulations of the thermograph, barograph and sunshine recorder are to be stopped. However, the instruments may be retained in action, which records were sent to his Calcutta office.

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 replying to letter 1796/s dated 24th August, 1905 mentioning that he will take necessary steps to have list of the instruments in the Madras Observatory included in future reports