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The letter is from W.B. Gorbon to different departments regarding the revision of the charge on account of upkeep of electrical installations, stating that with effect from 1st April 1912, the charge for repairs shall be assessed at the rate of 5 percent per annum on the capital cost of installations.

The fonds contain letters to the Director of Kodaikanal Observatory regarding different constructional plans and estimates.

This letter is from M.R. Ry. A.V. Ramalinga Aiyar Avl., Executive Engineer of Madura Division, to The Director of Kodaikanal Observatory, asking about whether the Carrara marble slab of Rs.9 per sq. ft. or statuary marble slab of Rs.11 per sq. ft. is suitable for placing on the top of the vertical force pillar in the Magnetic Observatory.

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.

This letter is from Charles. P. Butler, Ag: Director, Kodaikanal & Madras Observatories to the Meteorological Reporter to the Government of India & Director General of Indian Observatories, Simla, informing about the report from the observer at the Periyakulam station, that the fencing around the rain gauge is dilapidated and suggesting to remove the rain gauge to the enclosure of the thermometer shed as the distance from the current site to shed is about 50 yards but it may not be a serious difference from the records.

The letter is from C.J. Ussher, Superintending Engineer, 6th Circle, Trichinopoly, to the Director, Kodaikanal & Madras Observatories, regarding the estimated amount for the construction verandah.

This letter is from C.J. Ussher, Superintending Engineer, 6th circle, Trichinopoly, to the Director, Kodaikanal & Madras Observatories, in reply to the letter dated 30 Sep 1903(with enclosure of 1 estimate and 2 plans). The letter says the estimated amount for constructing a porch in front of the laboratory room and a glazed verandah by the side of the spectrograph room will be Rs.2,160, and it will be submitted to the Government for sanction.

The letter is from the Director General of Observatories to the Director of Kodaikanal and Madras Observatories asking to send 10 copies of their annual report bound in blue covers and 60 without any covers to bound with other reports.

The letter is from G.T. Walker to the Director of Kodaikanal and Madras Observatories informing about the sanctioned increase in pay of the photographic assistant at the Kodaikanal Observatory from the progressive pay of Rs. 30-40 to a fixed pay of Rs. 50/- per mensen with effect on 1 st May 1912.