Ironstone History and Information
Ironstone is a durable, porous, glaze-covered heavy earthenware for which a 14-year patent was secured in 1813 by Charles James Mason. He and his brother, George Miles Mason, produced their Patent Ironstone China at the Patent Iron-stone Manufactory in Fenton, Staffordshire, England. By the time the patent expired, other Staffordshire potteries ...