This letter was sent to the Director of Kodaikanal and Madras observatories from the consulting architect to the Govt. of Madras to sanction the plans and estimate submitted to the Govt. It was mentioned that glazed and batten windows had been provided for the transit house, as a wooden floor would be expensive so that the concrete floor would remain, and a small window had been added to the top of the anemometer tower.

This letter was sent to the Director of Kodaikanal Observatory from F. W. Dyson, acknowledging a list of photographs required to dispatch.

This letter was written to the Director of Kodaikanal Observatory from the Executive Engineer, Madura Special Division, informing him of the due budget estimate of Imperial Civil works for 1913-14 and also asked to report if there are works of the department in his jurisdiction for which require funds to be applied in the next year.

This letter was sent to the Director of the Solar Physics Observatory
acknowledging with thanks the receipt of one case containing the 15-inch Grubb O.G., Which was lent to the Nizamiah observatory some time ago, and the lens had arrived in good condition .

This letter to the Director to acknowledge the receipt despatch of the daily barograph by L. Casella

This letter to the Director with reference to annual indent for stores from England for 1905-06 with the favour of an expression of his opinion regarding the cost of the lathe asked for the Director-General of Stores in para 3

This letter sent to the Director, asking to send complete IF registered to Shimla direct and not to Calcutta beginning from the register for the month of April 1923.

This letter is to the executive engineer from John Evershed approving the plan and estimates amounting Rs. 2850 for constructing free quarters for the photographic assistant of this observatory

This letter was sent to the executive engineer from Michie Smith to acknowledge with thanks the receipt of the plans and estimates for the photographic assistant quarters

The letter is from The Director of Kodaikanal & Madras Observatories to The Executive Engineer, Madura Division, stating that he has no objection to his using Periyakulam Observer's house in any way that he desires.