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This letter was about the BARC image convention and the M. K. Vainu Bappu's visit.

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.

This letter was about spectroheliograms that Saxenas sent to him. He suggested to improve on this by another factor of 200%. He explains his idea to work on spectroheliogram.

The album contains photographs of the Bangalore and Kodaikanal campuses library of the Indian Institute of Astrophysics. Photographs of the reading area, serial display, stacks, and some of the presentations held in the library area are preserved in the album.

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.