Architect NS Kurdyukov engineer Nikolai Yegorov. Built in the years 1910-1912. a two-story, later built on 4 floors up (by the engineer Kurdyukova IE). Two-storey building is designed in a shape reminiscent of ancient Russian Chamber. Build on two floors in 1931. In the two lower floors of the building housed scientific departments Gallery. Widows 'House' is an object of cultural heritage of regional significance. Â Built on the means and the area bequeathed PM Tretyakov.