Narkomtiazzh model1 Published July 28, 2013 at 1341 × 1128 in Leonidov’s Narkomtiazhprom [ÐаркомтÑжпром Леонидова], 1934 ← Previous Next → Ivan Leonidov’s Narkomtiazhprom model (1934) Ivan Leonidov’s Narkomtiazhprom model (1934)