The item was a petition submitted by P. R. Chidambara Ayer to The Secretary to the Government of India, Revenue and Agricultural Department, about his salary. The facts of the case have been stated very clearly in the petition. The letter was sent to The Director General of Observatories and the Director of Kodaikanal and Madras Observatories in 1920.

The item was a handwritten letter by John Evershed, past Director of Solar Physics Observatory, Kodaikanal, to Thomas Royds in which he informs aboout his leave and do not know when he will return.

The letter was reply to D.O.No.2440 of the 8th instant, the R.A. clamp at Lahore is intended to be used with two cords and it was explained to Chowla. Further he mentioned about transit instrument and chronograph are extremly shoddy and not in accordance with specification.

This letter is an extract from U.O. to the government of India, Meteorological Department, on 11th November 1911 regarding dismantling the telescopes and their packing for transit from Poona observatory to Kodaikanal and Madras Observatories by the then Director J. Evershed. In this letter, it was mentioned that the telescopes should be handled with great care, and it was also said that J. Evershed or his deputy should control the packaging by visiting Poona. John Evershed also replied, agreeing with this letter.

The item is a letter written by Charles P. Butler, Ag. Director of Kodaikanal and Madras Observatories to John Eliot, the Meteorological Reporter to the Government of India and Director General of Indian Observatories, Simla, in 1903. The letter inquires about sending a personal copy of the administration report to M. Compte de la Baume Pluvinel, who was one of the distinguished astronomical spectroscopists.

This letter informs that the Director had delivered on the 17th instant a case of a barograph daily and also mentioned the weekly barograph was brought into use on 8th December

This letter informs that a weekly barograph had been sent to the Kodaikanal and Madras Observatories address by rail, and also the Director General of Observatories was told to take delivery of the package from the Kodaikanal railway station

This letter informing that a grass minimum thermometer by J. Hicks was brought into use on the 1st instant in place of another one which was found broken on the previous morning

The letter was written by William Butler, the Director General of Stores to the Director of Kodaikanal and Madras Observatories, Kodaikanal, on the shipping of photographic plates from the Meteorological Department as per the request. The list with the number of materials being delivered is mentioned in the document.

The item is a letter from William Butler to the Director of Kodaikanal and Madras Observatories, Kodaikanal related to the supply of Imperial ordinary plates as requested by the Director of Kodaikanal and Madras Observatories. It is mentioning that that six dozen 5*4 plates were supplied by Messrs. Houghton and Company.