The item contains Madras equatorial observations of the occultation of Venus that occurred in three different dates; 18 July, 1865, 3 November 1872 and 2 may 1875 recorded by N. R Pogson from Madras Observatory.

The item is the original tracing during occultation of SAO 158687 by Uranus on 10th March 1977

The item is a graph of light curve obtained during occultation SAO 158687 by Uranus drawn between time and recorder deflection.