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

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 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.

This letter was reference to letter no.354 of the 3rd instant saying that I regret to find that the labels mentioned para 2 were not enclosed.

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.

This letter was about the plates obtained & made up in sealed tins and the instructions for bringing from the maker.

This letter was about the correction regarding the earlier order saying that please include 10 doz. extra in the order for September and 20 doz. extra in the final order (December).

This letter was about to send the Sandell plates to test. The second batch of Sandell plates, received by S. S Campbell and it is perfectly evident that isochromatic plates will not stand the journey here.

This letter was about the list of photographic plates ordered and the serial numbers are not mentioned.