The text describes the Chapel of St Casimir in Vilnius Cathedral together with the altar of St Casimir. The note describes the physical appearance of the entire chapel, as well as its history, associated with Casimir IV Jagiellon, Sigismund the Old and Ladislaus IV. The chapel also contains two paintings by Smuglewicz (Source: Tygodnik Illustrowany, Warsaw 1879, Series 3, T:7, p. 397, after: University of Łódź Digital Library).