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.

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

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

These photographic slides contain images of HST and some planets.Telescope

These photographic slides contain astronomical events, some observations like the Evershed effect, the Spectrum by Evershed, Partial phase of moon eclipse, etc.

These Photographic slides contain some astronomical events of planetary nebula named NGC 2346 and NGC 6894 in Cygnus and the solar system and 10 billion years life cycle of our Sun. These slides look like negative photographs.

This fonds comprises images showcasing the sunrise and sunset as observed from Kavalur.

This fonds contains images taken from other places, including Krishnagiri Fort, Vellore Fort, Deers in Thekadi, Images of urchins in Tuticorin fishing harbours, and Chinese-style fishing nets in Cochin. There are images of Howrah Bridge, Snow View from Nanda Devi and an image of a fruit market in Singapore.

These photographic slides contain the images of Anglo Australian telescope located at the planetarium Armagh North Ireland.

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