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.

Charles P. Butler sent this letter to Gilbert T. Walker on installing a spectroheliograph in the Kodaikanal Observatory. The letter was sent from the Royal College of Science, London, on 3rd June 1904.

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

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.

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.

This letter was from Charles P. Butler to the Agent of Government Consignment, Madras, stating that the fundamental components of the actual spectroscope were received in a hopelessly damaged state.

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.

This letter is from Charles P. Butler to the Meteorological Reporter to the Government of India requesting the furnishing of necessary meteorological instruments. Also he enclosed a column of instruments are required.

The letter was sent to the Overseer of the Public Works Department, Kodaikanal, regarding the trees in the compound of the Kodaikanal Observatory.

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.