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.

This letter is from the sub-Division Officer, PWD, Dindigul, to the Ag: Director, Kodaikanal & Madras Observatories, regarding the rain gauge pillar that is already at Periyakulam, the sanctioned Rs.140 for the works and the materials arrived.

The letter is from Charles P. Butler, Ag: Director of Kodaikanal & Madras Observatories, to the Executive Engineer, Madura, requesting to authorize the erection of a new rain-gauge pillar in the Thermometer Shed at Periyakulam. He also gives information on the pillar.

The letter is from Charles P. Butler, Ag: Director of Kodaikanal & Madras Observatories, to The Sub-Divisional Officer, Public Works Department, Dindigul, requesting to arrange with the officer in charge at Periyakulam for collection of sufficient materials for building one small standard base for rain-gauge in the compound of Taluk Cutchery. He wishes that the arrangements be made by when he goes down to Periyakulam And requests to inform him when the preparations are ready.

This letter was about the request of the government astronomer to arrange the six rain-gauges for use in the North Arcot district.

The item is a letter to inform Deputy Tahsildar, Kodaikanal that rainfall returns daily, weekly, and monthly have been sent to the collectorate as per the request of the Collector.

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.

This Letter was sent to the Director of Kodaikanal and Madras Observatories regarding a box containing a rain gauge 5" diameter and an Anemometer

The letter is from the Acting Collector of Madura to the Director of Kodaikanal & Madras Observatories requesting to instruct the officer in charge of the Periyakulam Observatory to hand over the rain gauge to the Tahsildar of Periyakulam.

The document is a letter from Charles P. Butler to the Sub-Collector of Dindigul about submitting rainfall returns.The letter was a reply to the Sub-Collector of Dindigul in response to the inquiry about the rainfall returns daily, weekly, and monthly.