This item is a letter from the meteorological reporter to the government of Madras to the Director of Kodaikanal and Madras Observatories for approval and return of a plan and estimate to convert a portion of the north verandah of the observatory into a and extending the water pipes to the office. It also contains a request for having the two pillars at both ends of the room occupied by the office to be removed.

This letter is from Michie smith Director of Kodaikanal and Madras Observatories to executive engineer Madura regarding the pay of the assistant and to prepare plans amounting to Rs.750 -1000. It also talks about various other suggestions regarding veranda, bathrooms and other small design modifications.

This letter was asking a question on results obtained by John Evershed in connection with the displacements of the spectral lines of the Sun towards the red as suggested by Einstein's theory.

This is a letter from from O.R.Smith Sub Divisional officer Kodaikanal, to the Director of Kodaikanal and Madras Observatories honoring the request for a supervisor for making a note of the repairs and minor alterations that need to be carried out in the office building and dwelling house in Kodaikanal Observatory.

This item is a letter from O. R. Scott Sub-division officer Kodaikanal to the director of Kodaikanal and Madras Observatories forwarding a copy of the report related to some purchases made for the observatory compound.

This is a letter from O.R.Smith Sub Divisional officer Kodaikanal, to the Director of Kodaikanal and Madras Observatories requesting permission for the use of one of the two store-shed by the public works department.

This letter from O. R. Scott, Sub division officer, Kodaikanal to the Director informing that a sum of Rs. 2000 has been alloted for the official year for repairing the observatory buildings at Kodaikanal and it is mentioned the estimates now on hand for execution amount to only Rs. 119 and those estimates are also mentioned for special repair to the roof of Directors' residence, chimney of the European assistants' quarters and to the Northern Dome of KSO and also requested to let him know whether any further repairs needed or not.

The item was a letter by P. R. Chidambara Ayer to The Registrar of the University of Madras on submitting an MSc.Thesis. The letter was sent in 1929.

The letter was about the submission of MSc. Thesis of P. R. Chidambara Ayer to the Madras University. He is requesting to take immediate action on the further process of thesis submission before the end of November 1930.

This letter was to inform John Evershed regarding holding the Pan-Pacific Science conference in Australia in August, 1923, and on behalf of the Council, the council desire to extend the invitation to the Madras Observatory.