The handwritten document was an explanatory memo by John Evershed, signed in 1918. A. A. Narayana Ayyar was the 3rd Assistant of the Solar Physics Observatory, Kodaikanal, from 1913 to 1918. During that period, he also served as the 2nd Assistant of the Observatory for more than one year. The memo was about the approval of the allowance provided to A. A. Narayana Ayyar for the service as 2nd Assistant. The exact dates during which he acted as the 2nd Assistant of the Observatory are also mentioned in the document.

The letter is from The Director of Kodaikanal & Madras Observatories to The Executive Engineer, Madura Division, stating that he has no objection to his using Periyakulam Observer's house in any way that he desires.

The letter is from the Director of Kodaikanal & Madras Observatories to The Executive Engineer, Madura, requesting to let him know the amount which the Meteorological Observer's house at Periyakulam cost- including the price paid for the land.

The letter is from the Director of Kodaikanal & Madras Observatories to the Executive Engineer, Madura, sending the key to the Periyakulam Observator's quarters.

This letter shows the amounts paid for railway freight on Poona instruments. In this letter, the Director requests a reduction of the heavy charges that would be incurred getting the rest of the instruments from Periyakulam.

The letter is from The Director, Kodaikanal and Madras Observatories to W. A. Harwood, Imperial Meteorologist, Simla, informing that the cost of the building, including the value of land for the observer's house at Periyakulam was Rs.3550/- but he has no information regarding the person from whom the land was purchased nor about any conditions, hence will enquire the PWD if necessary. Also, according to Dr Walker's letter, the house was built by the Public Works Department and charged to the Government of India, so the transfer to the Government of Madras does not seem to concern the department.

The letter is from the Director of Kodaikanal and Madras Observatories to the Director General of Observatories in compliance with telegram No.169 dated March 27, 1912 enclosing for counter signature in halting allowance bills of the Director, Royds,Assistant Director and Appaswamy, Peon for the extra 31 days they spent at Poona.

The letter is from C. B. Ray to the Director of the Observatory requesting to countersign, the attached estimate for the repairs to the verandah of the Writer's quarters, so as to submit to the Executive Engineer to obtain sanction

The letter is from the Sub Division Officer to The Director Of Kodaikanal Observatory requesting to direct the Observer at Periyakulam to hand over his quarters to the Overser P.W.D Periyakulam as the building is in charge of P.W.D.

The letter is from offg: the Director-General of Observatories to The Director, Kodaikanal & Madras Observatories, informing about the letter from the Government of Madras asking to transfer the observer's house at Periyakulam to them instead of having it sold and the proceeds credited to the imperial funds. Hence asking if the Department is entitled to any compensation for relinquishing the property. In the connection, requesting to let them know what the building and site originally cost, from whom the site was purchased, and any condition attached to the purchase of the site or the erection of the building, as that information is not available from papers from Simla or Calcutta.