This letter was reply to the questions contained in the letter dated July, 1906, from Prof. Schuster on behalf of the International Union for Solar Research.

This letter was about the Estacion Sismologica de Cartuja, Granada had requested the copies of the Indian Seismographs of the Iberian earthquake of the 23rd April last if it is recorded.

The item provides information about the rainfall organisation, such as who registers the rainfall of India in each province and the exact duties of these officers. It explains how to fix, inspect and use the rain gauge properly.

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 on giving the information requested by professor Birkeland on photograms.

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 from Charles P. Butler to John Eliot the Meteorological Reporter to the Government of India and Director General of Indian Observatories, Simla, in 1903. The letter is about increasing the power of the apparatus used for sun-spot spectra of Kodaikanal Observatory.

The letter was from Charles P. Butler toJohn Eliot, the Meteorological Reporter to the Government of India and Director General of Indian Observatories, Simla, in 1903. This reply letter states that it was impossible to take one of the present solar physics observers from duty and devote him to magnetic work.

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 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 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".