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This item was a pencil sketch drawing of Prof.M.K.Vainu Bappu by A.P.Jayarajan

This item was about the page from M.S. Records stating that the Madras Observatory was established in 1786. The Madras Observatory was first was established in 1786.

This item was about the photograph of granite pillar in meteorology department compound at Nungampakkam, Chennai as seen today. In the compound of the Meteorology Department in Chennai, there is a 15-foot tall granite pillar weighing 10 tons. This granite pillar is part of the Regional Meteorological Centre in Chennai and is preserved as a monument. This is the place where Madras Observatory was existed.

This item was about the Goldingham working with a Kater's Pendulum hung in front of a haswell clock in the Observatory. The second assistant Thiruvenkatachary, is reading the clock, while the first assistant Srinivasachary, sitting near the 18 ft granite pier, is noting down the reading.

This item was about the map of part of the environs of Madras showing the relative positions of the Observatory house station and the guns. This map was made by J.Goldingham who was F.R.S. in Madras Observatory and the map was published in Madras Observatory papers in 1826 on page no. 177.

This fond was about pendulum clock used at the Madras Observatory manufactured sometimes in 1786. The clock is now in Kodaikanal Solar Observatory and still in working condition.

This photographic slide was on the R. A. Building of the Kodaikanal Observatory.

These photographic slides contains drawings of porters, telescopes, and other astronomical instruments.

These photographic slides contains different images of Mcdonald observatory.

These photographic slides contain the images of the spectrometer, and Ondrej telescope related to the Optical Science Department of Royal Observatory, Edinburgh.