Textured Vase with White Glaze by Hans Coper

• Tin Glaze - A ceramic glaze associated with lustre ware, maiolica, faience and Delftware. After an initial firing, the pottery was dippeed into the glaze, composed of oxides of lead and tin, which produce a porous white opaque but glossy surface. The pieces were then decorated again and fired which had the effect of fusing the colours into the glaze.
• Incised - A record of a name, date or inscription, or a decoration scratched into a surface, usually of a glass or ceramic item with a blunt instrument to make a coarse indentation. Compare with engraving where the surface is cut with a sharp instrument such as a metal needle or rotating tool to achieve a fine indentation.
• Tin Glazed - Tin glazing is a technique used to decorate earthenware, to produce maiolica, faience and delftware. Once the pottery has been fired, it is dipped into a white opaque glaze of oxides of tin and lead which produces a porous white surface, the background for the brightly painted decoration. The surface is then decorated with enamel colours which are absorbed by the glaze, and then fired again, resulting in the decoration fusing into the surface of the object.

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• Coper, Hans - ceramics 13