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 also forwards a copy of the report from the tahsildar.

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 also forwards a copy of the report from the tahsildar. This item also contains a reply to the query from the Director of Kodaikanal and Madras Observatories stating that the strange sounds may be produced underground and may be of the same nature as the sounds heard in the Ganges. The reply also points out that if any reports are available from the surrounding villages to determine from which place is the sound loudest.

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.

The letter is from Landi Kotal to the Director of Kodaikanal and Madras Observatories regarding a Query related to standard time. A question was asked about the erecting of a helio-chronometer. Attached to the letter is an observation sheet indicating standard times.

This is a letter from L. Robertson to the Home Department, Simla referencing the memorandum, the undersigned was directed to request that a copy of Volume E on Astronomy in the International Catalogue of Scientific Literature which may in future be supplied annually to The Director

The letter is from Kodaikanal solar Observatory to Dr. Savoor regarding computer handbooks. It states that the computer handbook would be for meteorological purposes and is unsure whether there is any distinction between books required for the Observatory and the meteorological department.

This letter is written to Mr. Field regarding the removal of the revolving dome of the 20-inch telescope and the sending of the instruments and apparatus to Kodaikanal. The letter also asks to send some microscopes to attach to the barometers in Kodaikanal, if there are any spare ones.

This letter was written by Kavasji Dadabhai Naegamvala to the Director of the Kodaikanal Observatory about the transmission of enlarging apparatus and a micrometer microscope under instructions from the Director of Public Instruction, Poona.

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.

The letter from J.S. Scot to the Director of the Observatory requesting to fill the enclosed form with average of rainfall for certain years. The information is to be provided to the research institute to decide on which indigenous pines are suitable for the hills