The photographic slides contain images of the 40-inch telescope control desk, it's construction, reparing of it's dew cap from 1971 to 1984.

The photographic slides contain images of Ritchey Chretien, Raheem and Nadhan at Kavalur, a rite of the first hut, a 16-inch telescope, a 30-inch drive circuit microprocessor, ribbon cutting at STARS(1977 Jan 23), 6-inch telescope, Schimt telescope, etc in Kavalur Observatory.

The item was about the rich tributes paid to the noted Indian astronomer M. K. Vainu Bappu. Scientists of Bombay at a condolence meeting held at the Nehru Planetarium on August 22. The director of TIFR said M. K. Vainu Bappu was a giant among astronomers and also suggested that the famous 90-inch telescope should be renamed after him. It also speaks on the M. K. Vainu Bappu-Wilson effect and also the first Indian to discover a comet that had been named after him.

This item was about the history of the Kodaikanal Observatory and the events that took place during its 100-year completion celebration. The observatory was established in 1899 as a Solar Physics Observatory and was the new home for all the activities of the Madras Observatory.

This item depicts two images of Asteroid number 229, " Adelinda", photographed with the Kavalur Schmidt on the 28th and 30th of March, respectively.

In this item, The Times of India talks about the tenth planet to be named Kalki.

The album contains photos of delegates on several exciting frontier areas of particle physics at energy scales not realizable in terrestrial accelerators and their significance in astrophysics and cosmology. The photos include famous astrophysicists around the world like Bradt Hale, Burgess Cliff, Cowsik Ramanath, etc., who discussed physics beyond the standard model, violations of discrete symmetries, neutrino physics, neutrino astronomy, experimental detection of dark matter, gravitation and feebler new forces, cosmic rays, etc. Some highlights are the latest results from the Kamiokande neutrino detector and status reports on experimental facilities under commission to detect solar and atmospheric neutrinos, WIMP's and dark matter candidates.

The album contains photos taken during the 25th anniversary of the Vainu Bappu Telescope (also called VBT, 2.34m telescope, and 90-inch telescope) installed at Kavalur observatory in 1986. Photos of the jubilee ceremony meeting, presenting a miniature form of the VBT to the persons who were working for VBT by M. G. K. Menon, publishing a book titled ' Vainu Bappu Telescope- Silver Jubilee 2011' by M. G. K. Menon and S. S. Hasan, a talk on the VBT inside the telescope building, exhibition on the theme of VBT in the library of Bangalore campus are organized.

This letter seeking a clear spell of an hour in the Sagittarius region and a spectrum of Upsilon Sagittari.

This letter was to replying Dr.M. K. Vainu Bappu for telling the improvements required in the spectra for H & K emission.