This letter encloses a distribution list for the photographic plates ordered in the last indent

The letter was written by E. C. J. Bond, who was the officer in charge No. 18 party (Magnetic), Survey of India, to the Director of the Madras and Kodaikanal Observatories, Kodaikanal through the Superintendent of the Trigonometrical Survey. This letter lists the dates that the observation result was missing, together with the declination traces, H.F. traces, and V.F. traces. It was written in 1920.

The letter was written by E. C. J. Bond, the officer in charge No. 18 party (Magnetic), Survey of India, to the Director of the Solar Physics Observatory, Kodaikanal. E. C. J. Bond has mentioned some suggestions to the magnetic observers to get accurate values during the observations. It was written in 1920 in Dehra Dun.

This letter is discussing there will be some difficulty with 12th readings of cloud motion meteorological observations on holidays unless some special arrangement is made

This letter asking for the proposal of 'expensive grates' and a reasonable size of a fireplace.

This letter asks for sending an ordinary telegram as the eight-column decimal Comptometer has been received and the bill has already paid or not

The letter is a reply to letter no. 2741 E stated that the pump house is only 6' * 6' and doesn't have space for a belt drive, suggesting a rotary pump for the motor drive. The second sheet is the plan of the motor house.

The letter is about the spectroheliograph building.

This letter is about receiving two dark glasses which are not fit for eyepieces because it was too large

Thomas Royds wrote this letter to inform the Director General of Observatories that he had joined as the Director of Kodaikanal and Madras Observatories on August 3, 1913. It was sent from Kodaikanal in 1913.