Lunge, who recommends the use of bleaching powder.
The leading industries are ship-building, bleaching and the making of flax and glue.
One of the most important derivatives of hypochlorous acid is bleaching powder.
It carries on bleaching and the manufacture of carriage bodies, awnings, drugs, biscuits, &c.
It is one of the chief manufacturing places in Rhenish Prussia, its principal industries being the spinning and weaving of cotton, the manufacture of silks, velvet, ribbon and damasks, and dyeing and bleaching.