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 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 was from Charles P. Butler to the Officer Commanding Royal Engineers informing him that the nearest railway station where recent magnetic declination observations were made is Perambur Station, located 4-5 miles from Fort St. George. He provided the latitude, longitude, and magnetic declination for this location.

This letter was about the reply to the earlier circular, stating that the date of reading is given back of the sheet, thermograph cage and the number of dry and wet bulb thermometers.

This letter was about receiving the time signal from some intermediate station considered useless.

This letter was sent to the Secretary of the government public works department in Madras by Charles Michie Smith, the director of the Madras and Kodaikanal Observatory. The purpose of this letter is to formally request government approval for the plans and estimates associated with the construction of buildings, as initially sanctioned in the letter received from G.J.J. Harris. Director Smith requests formal approval for the suggested architectural and budgetary plans presented by G.J.J. Harris.

This is a letter from the Director of Kodaikanal and Madras Observatories to the meteorological reporter to the government of India. It requests for the access for the spare drum.

This letter was about the enclosed list of photographic plates sizes and designations.

This letter was about the prints of the spectrum taken on the plates sent by Imperial Dry Plate Company and its relative sensitiveness.

This letter was about the Sandell Ordinary Plates special express and the change in the required plates. Evershed's report on the plates sent by Imperial Plate Company.