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The fonds contain correspondence regarding various instruments and their reading in the Kodaikanal Observatory

This is a letter for Director-General of Observatories from India Meteorological Department accompanying an invoice Rs 6/13/- from the mathematical Instrument Office, Calcutta on account of the morse papers for chronograph supplied to the Magnetic Observer

This Letter is from Astronomer Royal to the Director regarding sun photographs for 1911 May 19 and 20

This letter is from the Director General of Stores to the India Office regarding imperial lantern plates, which were recommended tissue paper for packing as it is liable to scratch the film matter, such as moisture, which may attack and destroy the film.

This letter is from Dy. Director General of Stores informing about a grating for Kodaikanal Observatory which had been supplied and tested

This Letter is from J H Field to the Director regarding a parcel post of 2 grass minimum thermometers No 1328922 and 1328930 both by J. Hicks which were required for the use of Kodaikanal Observatory

This letter is from J. Evershed to Dr. Gilbert T. Walker regarding sending of the lantern slides. Particulars of lantern plates is attached with this letter

This letter is from John Evershed to the Director General of Stores regarding the photo micrometer, referred to as his private property. Still, it would be mainly employed in research at the Kodaikanal Observatory.

This letter is from John Evershed, the Director of Kodaikanal & Madras Observatories to the Director General of Observatories regarding the Annual indent for forms and supplies for Kodaikanal Observatory for 1913

This letter is from the Director of Kodaikanal and Madras Observatories regarding specifications for new grating for Solar Physics Observatory, Kodaikanal