The letter is from Sydney Preston, secretary to the Government of India Department of Revenue Agriculture, to the secretary to the Government of Madras, Public Works Department. It informs about the sanction of the plans and estimates amounting to Rs.6380 for constructing a photoheliograph room with a dome at the 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 letter from Mr.L.M.Jacob, CSI, Secretary to the government of India, Public works department to the secretary to the Government of Madras,Bombay,Bengal, Punjab, Burma,the united provinces of Agra and Oudh, the chief minister of the central provinces, the chief commissioner of coorg and so on. The letter is about electrical installations in government residential buildings.

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 came from M.R.Ry.A.V.Ramalinga Aiyar to the Director about revised estimate of Rs. 1560 for constructing 3 additional peons quarters at Kodaikanal

The letter is from M. R. Ry. P. V. Chari Avergal, offg. Electrical Engineer to the Government of Madras to the Assistant Director, Kodaikanal Observatory, forwarding an estimate of Rs.340 for extending the pump house and requesting him to countersign it and the estimate of Rs.1075 for a suitable water pump and forward them to the Government for Administrative approval.

The letter is from M. R. Ry. A. V. Ramalinga Aiyar, Executive Engineer, Madura Division, to the Director, Kodaikanal Observatory, informing that transverse stiffeners may bend in the middle, and he suggests using horizontal ties and cross braces to stiffen the roof if it wouldn't be hindering instruments. He also said that he would get the transit shed repaired when he goes to Kodaikanal on 27 that month.

The letter is a copy of a letter from M. Brown to the Chief Engineer, Public Works Department, Madras, forwarded to Charles Michie Smith. It says about the sliding roof at the Kodaikanal Observatory.

This letter is from John Evershed to the superintending engineer to return the plans and estimates for the house to be constructed for the photographic assistant

This item is a letter from John Evershed, Director of Kodaikanal and Madras Observatories, to the sub-division officer P.W.D Kodaikanal stating that the plans of the new buildings were submitted by the supervisor, which were returned with the required details.