The document is a letter from William Butler to the Director of Kodaikanal and Madras Observatories, about the plate holder of the photographic plates that were supposed to send to Kodaikanal Observatory. It explains the need and usage of the plate holder.

The document is a letter from the Director General of Stores requesting that photographic plates be delivered right away to Kodaikanal Observatory.

The document is a letter from William Butler to the Director of Kodaikanal and Madras Observatories, requesting to send the list of telegraphic codewords denoting sizes and designations of various photographic plates required by Kodaikanal Observatory.

The item is a letter from William Butler, Director General of Stores, to the Director of Kodaikanal and Madras Observatories, stating that the photographic plates requested by the Director of Kodaikanal and Madras Observatories have been supplied to Kodaikanal and Madras Observatories by Imperial Dry Plates Company. The quantity of sent items is also mentioned in the letter.

The document is a letter from William Butler, Director General of Stores, to the Director of Kodaikanal and Madras Observatories, Kodaikanal, informing that imperial latern plates required by the Kodaikanal Observatory have been ordered. The product was ordered from Imperial Dry Plate Company, London. The specifications and the quantity of the plates are also mentioned in the letter.

The item is a letter from William Butler to the Director of Kodaikanal and Madras Observatories, Kodaikanal related to the supply of Imperial ordinary plates as requested by the Director of Kodaikanal and Madras Observatories. It is mentioning that that six dozen 5*4 plates were supplied by Messrs. Houghton and 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.

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