In the late 19th and early 20th centuries, Ivan Ivanovich Steglau’s foundry shaped the infrastructure of St. Petersburg with expertly crafted manhole covers and drainage systems. Known for their durability, these chugun masterpieces, stamped with Steglau’s name, still dot the city’s historic streets, blending utility with a touch of industrial artistry. Beyond urban engineering, Steglau’s ambition soared into aviation, marking him as a versatile pioneer of his era. His legacy endures in every preserved cover, a testament to quality and innovation.