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. He was asking the director to set up the necessary procedures to collect various deflections from the magnetograph in Kodaikanal, including visual and photographic deflections.

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.

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.

This letter was about the latitude and longitude of Perambur and the delimitation at St. George.

This item is about the speech delivered at the IAU general assembly. Bappu spoke on various aspects of astronomy and the fraternity of astronomers. He greeted the astronomical fraternity for their contributions to the field of astronomy.

The CD contains five photos of Manali Kallat Vainu Bappu. In which some are his photos others are as a group. There is one photograph, in which he along with three others stood in front of a temple. The other group photo with foreigners.

The notice was published by V. Srinivasa Ayyar, Deputy Tahsildar, Kodaikanal inviting officers in the observatory office to attend the "GENERAL PEACE CELEBRATIONS" a DARBAR for making known "THE TERMS OF PEACE TREATY" signed by Germany will be held by the Deputy Tahsildar at the JAMABUNDY HALL in the taluq Cutcherry compound at 10 A.M. on 19-7-1919.