These photographic slides contain photos of workshops held in Kodaikanal and some instrument photos. Here also, we can find pictures of Peter's workshop on the 30-inch hydraulic slew clinch, Millino machine, Arbudaraj Bandsaw machine, Old Lathe machine, and one photo of Kodaikanal Library and 6-inch North dome.

These photographic slides contain photos of the Kodaikanal Observatory, Domes, Spectro, and Solar tunnel.

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

This fonds comprises photographic slides showcasing various snake parks. The images offer a glimpse into different aspects of these parks, including a cobra snake park in 1971, a presentation on Russel's viper snake park, another snapshot from a cobra snake park in 1977, and a depiction of the intriguing saw-scaled viper.

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 Magnetic Observatory of Kodaikanal, Magnetic recorder room, Magnetic variometer

This fonds contains photographic slides of book visit at Kodaikanal in the year 1961

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.

This photographic slide was on the R. A. Building of the Kodaikanal Observatory.