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

The photographic slides contain some images of Pogson's transit, Madras Observatory, Osmania University, Goldmigham, K D Naegamvala, Uranus painting(1977), the post-war development committee(1945), etc.

This fonds contains photographic slides from a space science seminar in 1965. An image of S.S. Kumar and Zwestha, an image of Shelton Clock, and a few other images were also there.

The photographic slides contain some images of records in 1794,1812, 1809.

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

These photographic slides contains different images of Mcdonald observatory.

The photographic slides contain images of Neptune's atmosphere, Winds on Jupiter, Comet, Saturn's storm, the moon and rings of Uranus, Saturn's rings, Jupiter and some observational graphs. The slides were received from Dr. Vasundhara.