The photographic slides contain images of the 15-inch telescope in Kavalur from 1969 to 1971.

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.

The item was about the design, fabrication, installation, and testing of a prime focus photometer for the 2.34-m M. K. Vainu Bappu Telescope. Photometric observations of a faint, rapid, variable star, 'AM Canum Venaticorum', were obtained during the first series of experiments. Later, Rajamohan was the project leader in discovering new objects in the solar system. Astronomers at IIA are actively engaged in the study of supernova phenomena.

The letter is to Charles Michie Smith from the Nawab informing that all the arrangements will be made possible for his reception and to let them know a few days in advance of his arrival at Hyderabad.

The letter is from L. Robertson to Gilbert T. Walker, meteorological reporter to the government of India, informing that there is no objection from Michie Smith to go to Hyderabad, and it further states that as the visit is private purpose, the Nawab has to pay for travelling allowance fee and no other bills.

The letter was an acknowledgment of the photoheliograph received and experiences shared by using equatorial telescope to take solar photographs.

The letter is from Gilbert T. Walker, meteorological reporter to the government of India, to Michie Smith, Director Solar Physics Observatory, Kodaikanal, regarding his visit to Hyderabad to check the telescope purchased by Nawab Zafar Jung.

The letter is from Gilbert T. Walker, meteorological reporter to the government of India, to J. Wilson, Secretary to the Government of India, regarding an invitation to visit the residency at Hyderabad to pronounce the merits of the new telescope. It also asks, due to lack of time, if it will be possible for Michie Smith to check the telescopes.

The letter is from Gilbert T. Walker to D. W. K. Barr informing that Michie Smith will examine the new telescope as soon as possible and his opinions are fully reliable.

The letter is from D. W. K. Barr to Gilbert T. Walker Meteorological reporter to the government of India, inviting him for an expert opinion on a newly purchased equatorial telescope. The letter includes further details about the telescope, which was mounted in Hyderabad.