R. T. Stull

1875

• A cheap enamel for stoneware
• Cobalt colors other than blue
• Deformation temperatures of some porcelain glazes
• Notes on the manufacture of enamel brick with some investigations on enamel brick slips
• Opalescence and the function of boric acid in the glaze
• Designs of seven test kilns
• Tests on clay materials available in Illinois coal mines