Note: Links go to the Google Translate page for the site, as it is done originally in Russian.
From the review:
T-35 - Soviet heavy tank of the interwar period. Developed in 1931-1932 he specialized engineers KB under the overall supervision NV Barykov. Is the first in the USSR heavy tank, launched into mass production - in the years 1933-1939 at the Kharkiv Locomotive Plant in several small parties was released 61 serial machine.