Bill for description of works along with their estimation spent

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

This letter was sent from Gilbert T. Walker to Charles Michie Smith regarding purchasing a slit-making machine, which they had made as an adjunct to the spectroheliograph. It's mentioned that sanction for the purchase of the machine has been sent home by telegraph by the Government of India, and Smith has to receive it in the case of Spectroheliograph.

Letter from Chief Auditor, South Indian Railway Co., Ltd. to Thomas Royds, Director, Kodaikanal & Madras Observatories on the remittance of money that was due against the consignments of Kodaikanal Observatory Office. Each category's specific payment amount is also noted individually.