Extensive industrial and residential district established by the Grohmans and Scheiblers, at one time competitors, beginning in 1921 they became partners and operated the largest cotton mill in Europe. The city's oldest industrial plant, the so-called Kopisch's bleachery of 1826, is situated at 5 Tymienieckiego St. Other buildings date from the late 19th century. Targowa Street, proceeding up to the Scheiblers' premises, passes a unique factory gate known as "the Grohman's barrels". The huge complex of functionally related facilities comprises a spinning - mill, fire - station, train station, hospital, school, shops, a farmstead, workers' houses and a palace.