This item was about the high resolution line sketch spectra captured by John evershed during his experiment at Kodaikanal Observatory. While experimenting, he came across to capturing the high resolution spectra of Altair, Nova Aquila, Arcturus in the observatory. In this sketch, he pictured the resolution spectra that he observed as Umbra for high resolution and Penumbra for low resolution.

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 letter informs about the handing over the reports of different observers in Northern India with regard to the earthquake of the 4th of April

This letter was about informing Gilbert T. Walker of sending a slide of the Nova Acquilae Spectrum with Arctururs above it for comparison taken at the Kodaikanal Observatory on the night of June 19-20.

The letter is from John Evershed to Gilbert T. Walker replying to his letter about the transit room to be built on the Sion hills, he write his suggestions and return the plan diagram.

John Evershed, Director of Kodaikanal & Madras Observatory, wrote this letter to Gilbert T. Walker, assuming they might be getting the prism from Poona Observatory. He mentioned sending correspondence about the new micrometer and a specification. He devised another much simpler method of reducing moonlight comparable with 1st magnitude stars, which seems quite successful. He also proposed purchasing a Hartmann machine from private funds to save time and trouble.

This letter was a discussion regarding displacements of the solar lines towards red are distinctly unfavourable to Einsteins theory.

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.

The item is a copy of letter from M. R. Ry., I. Purushothama Naidu, Tahsildar of Udmalpet, to the Divisional Officer, Pollachi, dated 28th December 1908 D.Dis. No. 3315/Rev. of 08

The item is a copy of letter from M. R. Ry., Ramasubbiah Garu, Tahsildar of Dharapuram, To the Deputy Collector, Erode Division regarding occurance of an earthquake in Eswarachettipalayam, hamlet of Sadayapalayam village on December 17, 1908.