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This item was the photostate copy of the original pamphlet of "Transit of Venus" by C.Ragoonatha Chary published in English languages in 1874.

The item is a 6 inch transit circle. The transit circle is an instrument used to determine the declination of stellar onjects. It consists of a circular scale kept perpendicular to the rotating axis of a telescope tube.

The book Traite experimental of de L'electricite et du Magnetisme transalates to Experimental Treatise of Electricity. M.Becquerel, of the Academy of Sciences of the Institute of France, wrote this book. It is published in 1840

This item was about the total solar eclipse that occurred on 23 November 2003, observed from India's Antarctic station Maitri. It was seen in the photograph that the shadow of the Moon was only able to cover the middle area of the Sun such that the Sun looks like a heavy ring during the eclipse captured from the horizon.

This item was about the total solar eclipse that occurred on 11 June 1983 in Indonesia. In photos of the event, the Sun appears to be entirely covered by the shadow of the Moon, with only the Sun' corona visible as a bright golden ring.

This item was about the total solar eclipse that occurred on 24 October 1995 at Neem Ka Thana in Rajasthan. In the collection three photographs were captured at different intervals during a solar eclipse. The first photograph shows the Sun as fully covered by the Moon, creating a half-ring. The second photograph displays the Sun's corona as a bright, heavy ring, and the third shows the Sun as a light ring.

This item was about the image of the coronal structures (visible only during eclipses), from left to right : taken with (a) green filter, 100ms exposure, 2x2 binning, (b) red filter, 300ms exposure, 4x4 binning and (c) red filter, 100ms exposure, full resolution.

This item was about the photograph of Thomas Royds. Thomas Royds (1923-1937) succeeded John Evershed as the Kodaikanal Observatory Director in 1923 and retired in 1937.

This letter was about the demand of plates.

This letter informing estimate about the provision for wooden floors to the bedrooms also and for tiling the roofo the outhouses to the quarters