The photographic slide contains an image of Rajamohan Irulappan village in Kavalur.

The album contains photos of the initial stages of the Kavalur Observatory campus. Photographs of Director M. K. Vainu Bappu's visit to Kavalur for site inspection and selection for the setting up of the observatory building and workshop. Photos from the construction of 40-inch and 90-inch telescopes, images of albuminization of the 40-inch telescope and the instruments of the telescope can be seen in this album.