The letter is from Gilbert T. Walker to Charles Michie Smith discussing about the enlargement of photos, the orientation of spectroheliograph, scientific instruments, and the sending of 'sun pictures' plates to Christie.

This letter is from Gilbert T. Walker to Charles Michie Smith, thanking him for the copy of Rowland's map and calling his attention to the error at the daily weather summary. He also informs that there is no objection to paying the photographer by piecework, and Lockyer needs the photo heliograms only to measure areas.

The letter is from G. S. Rama Ayyar, Superintending Engineer, VI circle to the Director of Kodaikanal and Madras Observatories asking whether arrangements can be made to fit the pump in next April or May as the funds might not be available for the cost of the pump during the official year.

The letter is a forwarded copy of a letter from G. S. Rama Ayyar, Superintending Engineer, VI circle, to the Executive Engineer, Madura Division, asking for the action report taken on the installation of a new pump, asking to take it urgently as the Director needs it to be installed before Christmas.

This document originates from G.J.J. Harris, a consulting architect the Government of Madras engaged. It is addressed to the Madras and Kodaikanal Observatory director about the approval and submission of plans and estimates related to the construction of Kodaikanal Observatory buildings. Various aspects necessitated official sanction, encompassing the workshop for the mechanic, estimates for water supply in the director's residence, construction of a verandah for writers' quarters, provision of bookcases and furniture, landscaping of the grounds, provision of mats for the assistant's house, erection of additional outhouses for the first and second assistant quarters, and the construction of the observer's house at Periacolum, along with associated compensation. The communication underscores the comprehensive nature of the proposal, seeking the necessary approvals for diverse elements crucial to the successful realization of the Kodaikanal Observatory infrastructure.

The letter is from G. T. J. Harris, Consulting Architect to the Government of Madras, to the Director of Kodaikanal Observatory regarding a porcelain sink for photographic work that was intended for is in the India Office as such was not available in India. The cost is 5 pounds, whereas a sink made of porcelain enamel fit reclay would only be 1-15-0 pounds. Hence asking the opinion on which to be brought.

This item is a Letter from G.J.J Harris consulting architect to the Director of Kodaikanal Observatory regarding the plans and estimates amounting to Rs.5178 for works to complete the Kodaikanal Observatory.

The letter is from Gilbert T. Walker to the Director Kodaikanal informing about enclosing a copy from the Finance Department sanctioning thr transfer of the observer's house at Periyakulam together with its site to the Govt. of Madras free of cost.

The item provides information about the rainfall organisation, such as who registers the rainfall of India in each province and the exact duties of these officers. It explains how to fix, inspect and use the rain gauge properly.

This Letter is from D.Marshall executive engineer presidency division to the director of Madras Observatory regarding an estimate amounting to Rs.810 for special repairs at Madras Observatory. It also makes provisions for the repair works done during the erection of new dome.