These Photographic slides contain images of some planets and astronomical events like Martian dust storms, Jupiter's Aurora, Uranus' Atmosphere, Neptune, the Surface of Pluto, the Helix Nebula, Cometary Knots, Stellar images, etc.

These photographic slides contain photos of North and South domes of Kodaikanal Solar Observatory and buildings

These photographic slides contain photos of the Kodaikanal solar observatory, North and South domes, solar tower and tunnel, changing of dome and old 15'' dome.

These photographic slides contain photos of the Mexico Eclipse camp in 1970, the solar corona in 1980, and the Spectrograph well.

These photographic slides contain photos of Magnetic Observatory of Kodaikanal, Magnetic recorder room, Magnetic variometer

These photographic slides contain some photographs of Lowell Observatory. It was donated by R.C.Mallik to M. K. Vainu Bappu

The photographic slides contain images of the Kavalur building construction, the 40-inch telescope and its nearby places.

These photogrphic slides contain IR Photometer of Leh

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.

These photographic slides contain compressed pictures of astronomical instruments in Kodaikanal, which are named Tunnel & Spectro, Solar Tunnel, 28-inch Mirror Coelostat, Solar image on the shit, Solar image, Tunnel drive, Solar tower 3rd mirror, II mirror Coelostat.