The letter was discussing about the simple methods deviced for daily weather telegram

This item was about the photographic coverage of flag hoisting ceremony conducted at Kavakur Observatory.

This item was an instrument used to measure time. A wire rope is wound around a drum which unwinds in a fixed time under gravity. A maker which moves horizontally, marks out the time elapsed on a linear scale. This instrument was used before the invention of the pendulum clock for Astronomical measurements at the Madras Observatory.

This item was about the visit of the Prof.S.Chandrasekher and Mrs.Chandrasekher in 1981. Dr.M.K.Vainu Bappu received them and visited the campus which was under the construction at that time.

This item was about the discovery of 5 Asteroids (or minor planets as they were known at that time) Asia, Sappho, Sylvia, Camilla and Vera at Madras. The first was named asteroid 'Asia' as it was the first to be discovered by an observer on this continent. This page from Pogson's log book shows the first observations of Asia made on April 18th and 19th 1861.

The letter is to the Executive Engineer enquiring whether there is an objection to building some meteorological building in the compound and proposing to the Govt. of India to build a house for the observer. The letter to the superintendent of the workshop was regarding providing materials to build a machine for the observatory. The letter to the pension superintendent asked for two pensioners to work as peons with pay of Rs.10/- each with quarters & warm clothing. The letter also mentions that people should be fit for the climate.

This item was about cover page of his treatise on Transit of Venus in Urdu.

The fond contains correspondence related to Signaling Time from 1904 to 1923. It has letters from Thomas Royds, Gilbert T. Walker and the Director General of Telegraphs.

This font is regarding public works in Kodaikanal Observatory

This Fond contains documents related to Government of Madras Public Works.