“ The manufactures comprise sheet-iron, boilers, zinc, brick and tiles, paraffin, petroleum, soap and candles. The Rothschild iron-works at Witkowitz are in the vicinity. (2) Polnisch-Ostrau (Polish Ostrau) , a mining town in Austrian Silesia, opposite Mährisch-Ostrau. Pop. (1900) 18,761, mostly Czech. It has large coal mines, which form the south-western portion of the extensive Upper Silesian coal fields, the largest Austrian deposit. ”