The document is a letter from the Director General of Stores to the Director of Kodaikanal and Madras Observatories regarding the poorly maintained photographic plates that were sent to the Kodaikanal Observatory.

William Butler wrote this letter to the Director of Kodaikanal and Madras Observatories to inform him that the photographic plates were dispatched and there was a new fresh demand for photographic plates.

The item is a letter from the Director General of Stores to the Director of Kodaikanal and Madras Observatories, enquiring about the sensitivity of the photographic plates supplied to the Kodaikanal and Madras Observatories by the Imperial Dry Plate Company.

The letter was written by William Butler, the Director General of Stores to the Director of Kodaikanal and Madras Observatories, Kodaikanal, on the shipping of photographic plates from the Meteorological Department as per the request. The list with the number of materials being delivered is mentioned in the document.

The letter was written by Houghtons Ltd. to The Secretary of State for India in Council on the enquiry about the quality of the spectrograph slides being sent to Kodaikanal Observatory.

This letter was about the reply to an earlier question of Walker on the issues of heating room and the convection current.

This letter informing that a grass minimum thermometer by J. Hicks was brought into use on the 1st instant in place of another one which was found broken on the previous morning

This letter informs that a weekly barograph had been sent to the Kodaikanal and Madras Observatories address by rail, and also the Director General of Observatories was told to take delivery of the package from the Kodaikanal railway station

This letter informs that the Director had delivered on the 17th instant a case of a barograph daily and also mentioned the weekly barograph was brought into use on 8th December

The letter is from Antoine Rene deChazal, Executive engineer, Madura Division, to the Director, Kodaikanal Observatory, saying that expensive grates than the designed may not be required and if a different design is necessary, then there will be a need to obtain orders on it.