This letter from J. Evershed to the Director-General of Stores regarding the 30-degree prism ordered for Kodaikanal M6145 Hilger, which should not be sent out for trial as judged by Mr Shackleton, the prism does not meet the requirements of the specification and should be rejected.

This letter is from K.D. Naegamvala to Dr G.T. Walker regarding lending two prisms to Kodaikanal, which was asked to be forwarded by passenger train where transit charges would also be considerable.

This is a Letter from L.D Swamikannu Pillai to the director of the solar physics observatory regarding a strange sound produced at Seetharampuram Udayagiri taluk. It is reply stating that an eye sketch of the locality is submitted and mentions some of the villages where the sound is reported. It also states that the sound is loudest at Pandranga, Narayanpet and Seetharampuram.

This is a letter from the Director of Kodaikanal and madras observatories to the Director General of observatories shimla returning the file with papers related to the electrical installation.

This is a letter from Gilbert T. Walker Director general of observatories to the Director of Kodaikanal and Madras observatories informing that Rs.300 which was previously placed under the head of contingencies may be transferred under the head supplies and services

This is a letter from M.Brown executive engineer Madura special division to the director of Kodaikanal and Madras Observatories informing that the chief engineer has accepted the Messrs Siemens brothers contract agreement for electrical installation in Kodaikanal.

This is a copy of a letter from the superintending engineer VI circle requesting for the return revised of plans and estimates for the construction of engine house connected with the scheme of electrical installations at the Kodaikanal Observatory.

This is a letter from the executive engineer Madura to messrs Siemens Brothers. It talks about the overhead line to pump which amounts to approximately Rs.450. It also states that it is 700 yards instead of 400 for the 2" piping.

This is a letter from the director of Kodaikanal and Madras Observatories to the executive engineer madura special division. It states that a small shed is required at a distance of about 600 feet from the engine house for protecting the pump that supplies water to the generating plant and the observatory.

This is a letter from E.J.B Greenwood Electrical inspector of Government of Madras to the Director of Kodaikanal and Madras Observatories regarding the inspection report