The letter is from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories requesting that an earth inductor and galvanometer be sent to England as soon as possible as new patterns for new ones they are indenting for.

The letter is from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories informing that the spare earth inductor and galvanometer are stored at Dehradun and other related specifics.

The letter is from E. C. J. Bond to the Director of Kodaikanal and Madras Observatories informing that the earth inductor and galvanometer have been despatched by the insured parcel and asking for arrangements to be made for the agent to collect the parcel at the railway station and to be forwarded.

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 Madras and Kodaikanal Observatories, Kodaikanal, Via the Superintendent of the Trigonometrical Survey. Through this letter, E. C. J. Bond was conveying three suggestions to the magnetic observers to raise the calibre of the observatory magnet.

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 Kodaiknal Observatories, Kodaikanal. In this letter, he claims to have sent a registered parcel post to Kodaikanal that contained three strips of fine phosphor bronze fibre and four incredibly fine tungsten wires that could be used to suspend the magnetograph's declination. The letter was written in Dehra Dun in 1919.

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 Kodaiknal Observatories, Kodaikanal through the Superintendent of the Trignometrical Survey. Through this document, the author was inquiring how the tabulated data in the original and duplicate magnetic forms taken from Kodaikanal and delivered to the Survey of India office differed. Also provided are a few instructions for the observers. Letter was sent from Mussoorie in 1920.

Letter from E. C. J. Bond to the Director of Kodaikanal Observatory about recording the magnetic observations

The letter is from Gilbert T. Walker to the Director Kodaikanal informing about enclosing a copy from the Finance Department sanctioning thr transfer of the observer's house at Periyakulam together with its site to the Govt. of Madras free of cost.

The letter is from the Director, Kodaikanal & Madras Observatories to the Executive Engineer, Madura, mentioning Mr R. Savarinathan, about making a watertight roof and also not signing the estimate as it does not provide for working without interfering in the use of instruments.

This letter is from the Director of the Meteorological Reporter to the Government regarding the examination of the dividing engine and careful testing on object glass of the Microscope.