This letter informing estimate about the provision for wooden floors to the bedrooms also and for tiling the roofo the outhouses to the quarters

The book Traite experimental of de L'electricite et du Magnetisme transalates to Experimental Treatise of Electricity. M.Becquerel, of the Academy of Sciences of the Institute of France, wrote this book. It is published in 1840

The item is a 6 inch transit circle. The transit circle is an instrument used to determine the declination of stellar onjects. It consists of a circular scale kept perpendicular to the rotating axis of a telescope tube.

This item is about the importance of the optical telescope and the location chosen for the observatories, such as Kodaikanal and Kavalur. The item also speaks of the importance of these weather conditions for astronomical observations.