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 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 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.

This is a letter from Charles. P. Butler, Ag: Director, Kodaikanal & Madras Observatories to Executive Engineer Madura regarding some construction needs at the Solar Physics Observatory, like a permanent building to hold the 4-inch photoheliograph, a glazed verandah for keeping the north-western side of the observatory dry, an open verandah for the Bookbinder's shed and quarters for the writer of the observatory, on which the details will be given later when the decision is finalised.

This is a letter from Charles. P. Butler, Ag: Director, Kodaikanal & Madras Observatories to Superintending Engineer, VIth Circle, Trichinopoly, replying to the letter asking for the opinion on the necessity of construction of glazed verandah and porch. The letter says the construction was requested before his arrival, and it is not advisable for him to express the opinion in the absence of the Director. Also, he requests that the walls on the Southwestern sides be made waterproof as the rain makes the room moist, which is harmful to the scientific instruments.

The letter is from Charles P Butler, Director of Kodaikanal and Madras Observatories, to the Executive Engineer Madura. It is about the order given to ensure that tilestonite should not be put on the roof of the new building for a few months. He also requests that the roof be thickly whitewashed as it will be inconveniently hot otherwise.

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.

The letter is from Charles P. Butler Ag: Director of Kodaikanal & Madras Observatories to the Executive Engineer, Madura, requesting to supply a set of stones mentioned in the letter for the use of the assistants and peons of the Kodaikanal and Periyakulam Observatories.

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 is a letter from C.Mildred, superintending engineer to the Director of Kodaikanal and Madras Observatories. It talks about the provisions made for the Electrical installations in Kodaikanal Observatory amounting to Rs.14259 which was sanctioned as on September 12,1910.