The letter is from the Director, Kodaikanal & Madras Observatories, to the Superintending Engineer, 6th Circle, Trichinopoly, enclosing the copy of the letter from The Director General of Observatories sanctioning Rs. 175/- for erecting a verandah in front of the spectroheliograph building. And request that the work be taken up as early as possible.

The document was sent from the Director General of Observatories to Thomas Royds in 1913. The Director General of Observatories inquired about the order of the new screw for the Ponna micrometer in response to John Evershed's letter dated 18th August 1913.

This letter was sent to T Royds instructing the observers to master the instructions and commence to send telegrams according to new method

The letter is to Vipan regarding the roof of the spectroheliograph building, asking if the department could prepare an estimate for double corrugated sheeting and also giving a diagram of how the sheets are to be kept to allow free exit to hot air.

The letter is to Walker referring to D.O. 5934 regarding dark glasses. The letter states that he has never seen the eye-piece box as the wedge was satisfactory.

This letter contained with list of the instruments in use in Kodaikanal Observatory

This fond is related to prisms from Kodaikanal Observatory

This item is from the Deputy Secretary of India, Public works Department to the Secretary to the Government of Madras, Public Works Department regarding a sanction.

This item contains Letters from G.S.T Harris the consulting Architect to Government to the Chief Engineer Public works department regarding the construction of observatory on Doddabetta Peak in the Nilgiris district and the constructions going on in the Kodaikanal Observatory.

This item contains letters from the Colonel. O.V. Boddy Superintending Engineer to the chief Engineer Public works Department regarding a sanction on estimate. It also correspondence a letter from Charles Michie Smith the Director of Kodaikanal and Madras Observatories to the Secretary to the Government of Madras regarding an estimate for the construction of magnetic observatory in Kodaikanal.