The letter was from Charles P. Butler to John Eliot, the Meteorological Reporter to the Government of India and Director General of Indian Observatories, Simla, in 1903 about the broken-down condition of the fencing of rain gauge at Periyakulam station.

The letter was written in response to a request from Prof. Birkeland, University of Christiana, for the materials needed for his research. He had requested copies of photograms made on thirty specified days. Gilbert T. Walker signed on behalf of The Meteorological Reporter to the Government of India and the Director General of Indian Observatories.

This letter was reply to the telegram from the Metrorological Reporter saying that the Evershed Spectroscope has been forwarded to the Director General of Stores India Office and the instrument should be returned back to Kodaikanal Observatory as soon as possible to work on the Sun especially for prominence work on Sun.

This letter was about the reply to the earlier circular, stating that the date of reading is given back of the sheet, thermograph cage and the number of dry and wet bulb thermometers.

This letter was reply to D.O.No.2637 of the 6th instant saying that K.A.Narayana Aiyar acted as observer at Periyakulam were October 7, 1907 to January 31, 1908, new appointment was made to the post on April 7, 1908, Periyakulam Observatory, and he does'nt have a idea of what a "charge list".

This letter was about requesting to sent C. M. Smith last pay certificate to this office at an early date for transmission to the Comptroller, India Treasuries after his retirement.

This letter is from John Evershed about the transfer of Mrs Sitaramayya, officiating assistant Director of the Solar Physics Observatory, Kodaikanal, to the office of the Director-General of Observatories, Simla.

This fond contains letters, annual expenditure reports and bills of Kodaikanal and Madras Observatories. It also contains correspondence of John Eliot,Charles Michie Smith and R.E.V.Arbuthnot during July 1901 to March 1903 regarding the index slip, meteorological summaries, seismological reviews and disturbances and other reports like annual expenditure, bills, and telegraphs. It has a report on the condition and proceedings of the government observatory, Colaba, written by N.A.F.Moos. It also has letters from the Royal Society of India, H. Grubb, J. Larmer, R. Fuess, William Butler and Charles P. Butler to the Meteorological Department and Kodaikanal & Madras Observatory.

This letter was about return a copy of the annual report as desired and providing errors of ruling in the best gratings.

The letter was an instruction for using the repaired lens and asking to send a complete telescope to compare and make the repairing process simple.