This letter was about the spectroheliograph, observations of widened lines in Sunspot spectra and prominence latitudes and frequencies.

This letter is about information of sending a copy of the seismic disturbances obtained at Alipore observatory

The item is a letter to the Director of the Kodaikanal and Madars Observatories to let them know that circular No. 5 of 1905 was annexed to the letter.

The letter informs about the handing over the reports of different observers in Northern India with regard to the earthquake of the 4th of April

This letter was about sending a copy of the "Preliminary note on Srimangal earthquake of 8th July 1918".

This letter was a request regarding the present state of knowledge about the periodocity of sun spot activity.

The item was to inform The Meteorological Reporter to the Government of India and Director General of Indian Observatories that the specimens of the sunshine cards printed from Lawrence Asylum Press, Madras, during each year 1901-02 and 1902-03 have been sent to the office as per the request.

The document is a letter asking The Meteorological Reporter to send sunlight cards to Kodaikanal and Madras Observatories.

The document is a letter from Charles P. Butler to Gilbert T. Walker, the Meteorological Reporter to the Government of India and Director General of Indian Observatories, Calcutta, in 1903. The document conveys that the Kodaikanal Observatory had received the case containing eight thermometers and one rain glass for five gauges that the meteorological department had delivered.

This letter was about the reply on photographic plates for the spectroheliograph.