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 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.

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 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.

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.

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.

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 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.