Enameled glass |
Colored enamels were first used on glass by the Romans, and then by Islamic glassmakers from the 13th century onward. Enameling flourished in Venice in the 15th century, particularly on cristallo glass, a lightweight, thin, clear glass developed by Angelo Barovier in around 1450. Enamels are made of powdered glass mixed with a colored oxide and oil. After being painted onto a surface, they are heated in a furnace to form a hard material that is bonded onto the glass.
Early decorative patterns tended to be simple, such as lines and dots, and were restricted to borders. Later, more complex patterns, including coats of arms and mythological figures, were created. German and Bohemian glass makers adopted enameling
Enameling was most commonly applied to drinking vessels. These included the Humpen, a cylindrical beaker, and the Romer, a heavy footed and stemmed glass akin to a wine glass. Patterns were often applied by Hausmaler, enamelers who worked at home.
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