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 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 also forwards a copy of the report from the tahsildar.

The letter is from Lieut. H. Wood, R. E., offg. Director, Kodaikanal & Madras Observatories to the Consulting Architect to Government, Madras stating that the Government of Madras P.W.D have forwarded a copy of the order to request you to move the Collector of Madura to submit a draft notification for the acquisition of land for the assistant's quarters at Periyakulam.

This letter was about the sanction of 9 months of privilege leave to C. M. Smith with effect from the 1st April 1907 and also the arriving of Evershed's in India

This letter is from M. Brown to the director asking for pay Rs. 400 for the stock articles and estimation for fencing the assistant director's quarters compound

This letter is from M. Brown to the Director for estimate of Rs. 1750 for constructing quarters for the photographic Assistant

The letter is from M. Brown, Executive Engineer, to The Director, Kodaikanal Observatory, asking his opinion on using the Observer's house at Periyakulam for storing materials.

This letter was discussing on financial resource, disposal and acquiring equipment specifically for research on the Sun. Further he mentioned about solar telescope and high dispersion spectrograph, tower telescopes at Mt.Wilson, Potsdam Arcetri and trend of problems in solar research.

The letter is about Vagiswari's interest on ISI course and the book to be acquired for the library.