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.

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. The letter is about increasing the power of the apparatus used for sun-spot spectra of Kodaikanal Observatory.

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.

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.