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These photographic slides contain the 6-inch telescope at Mount Nimmu top on an astronomical site survey at Leh-Ladakh during 1984-1989.

These photographic slides contain the pictures of sightseeing of Palras, Greece organised by IAU assembly

These photographic slides contain some places where the solar eclipse was seen, the eclipse tower, the spectrograph, and a few photographs of J.C. Bhattacharya.

These Photographic slides contain the observations of the survey from the Mt. Nimmu base.

These photographic slides contain pictures of sightseeing on the way to Leh from Delhi. It has photos of the beautiful Indus Valley, the Indus River, a cloud-free clear sky for observation, and the East hill of Mt. Nimmu top.

These photographic slides contain pictures of sightseeing on the way to Leh from Delhi. It contains survey pictures of the West hill of Mt. Nimmu and the base camp of Mt. Nimmu, the Himalayan ranges, and the set-up on the East hill of Mt. Nimmu.

These photographic slides contain photos of Bhavnagar 20-inch Dome, Hydrolic gate from spectroheliograph, etc.

This fonds consists of photographic slides associated with Ross Laboratory in Secunderabad. One of the images showcases a panoramic view of the Ross Laboratory, while the second image captures the Tableau Memorial dedicated to Ronald Ross.

This fond contains collection of items that provide information about solar eclipses that occurred during the time period of 1868-2006. The collection includes photographs of total solar eclipses that took place on different dates, and covered from different places as well as sketches that help to illustrate the phenomenon and the path of the eclipses.

This fond contains the life history and a brief description of the discoveries of Mr.N.R.Pogson.