This letter is from R.E.V. Arbuthnot to the secretary to the Government of Madras, Public Works Department, regarding the erection of a building to house the photo spectroheliograph which was being procured from England for the use of the Kodaikanal Solar Physics Observatory.

The letter is from the Superintending Engineer to the Director of Kodaikanal and Madras Observatories. It contains an estimate to be approved, countersigned, and submitted to the government for sanction. The estimate amounts to Rs.13600 for the construction of a building to house photospectroheliograph in Kodaikanal. Along with the estimates, the plans have also been forwarded.

The letter is from the Director, Kodaikanal & Madras Observatories, to the Consulting Architect to the Government of India, saying that the design of the dome should be of Sir Howard Grubb's standard design.

This letter was about the abstract bill of charges that were incurred for the carriage of "Siderostat" part of the spectroheliograph from Madras to Kodaikanal and request the payment may be made as early possible.

The letter is from the General Superintendent, P. W. Workshops, Madras, informing about his visit to Kodaikanal Observatory on 3rd & 9th December 1904. It also mentioned the present condition of the sliding roof and his suggestions for improvement.

The item is letter from the Meteorological Department to the Director of Kodaikanal & Madras Observatories, containing a copy of letter No.1286 from the Meteorological Reporter to the Government of India and Director General of Indian Observatories to the Director General of Stores, acknowledging Letter No.937 dated 19 Jan 1905 and saying that the Director of Kodaikanal Observatory is unable to send the details of the plates for the spectroheliograph until he has experimented with the plates, the information will be send as soon as it is available.

The letter is from the Board of Education, South Kensington, to Charles Michie Smith, informing them about the receipt of 78 spectroheliograms of the sun photographs.

The letter is from the Secretary, Board of Education, South Kensington, to Charles Michie Smith, stating that the 78 spectroheliograms of the sun photographs have been received.

The letter is from Thomas Royds, Ag. Director, Kodaikanal and Madras Observatories to the Superintending Engineer, VI circle, Trichinopoly, stating that other works in the observatory can be stopped except the reroofing of spectroheliograph for funds and ask not to postpone unless it's unavoidable.

The letter is from Vipan, Sub-Division Officer, Kodaikanal, to The Director, The Observatory, Kodaikanal, returning with thanks for the paper regarding "Armco" iron sheeting.