Carnival glass gets its iridescent sheen from the application of metallic salts while the glass is still hot from the pressing. A final firing of the glass brings out the iridescent properties of the salts, giving carnival glass the distinct shine it is known for.
Carnival Glass was not an instantaneous development in the history of pressed glass. Certainly there were other types of iridized glass, such as art glass. In fact, going back thousands of years, early glass examples have been found to have been iridized by having been buried in ground containing certain chemicals.
Carnival glass was first produced in the early nineteen hundreds and is a range of patterned, pressed glass suffused with an iridescent lustre, which reflects the light and makes the glass surface gleam with metallic highlights.
While another carnival glass produced during the same era is certainly as attractive as Northwood's, it is the presence of these markings or "signatures" that make it one of the most popular carnival glass names with collectors today.
Carnival Glass Production History. Carnival Glass is a molded, iridized glass that was produced by spraying the hot glass with liquid metallic salts, giving the piece an iridescent, rainbow luster.
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History Harry Northwood who ... The original Northwood glass company was founded by Harry Northwood in 1887 in Martins ferry, Ohio, and was moved to Ellwood City, Pennsylvania. ... Carnival glass is identified by the color of the glass, not the color of the treatment. Base colors for Northwood were green, amethyst, and cobalt blue.
Carnival glass was an inexpensive, iridescent pressed glass made from about 1907 to about 1925. More than 1,000 different patterns are known. In September 2014 an important collection was sold and resulted in very high prices.
History. John Fenton and Millersburg Glass. by Brian Pitman. ... Carnival Glass took off, and Millersburg started to boom. John’s excellent eye and genius understanding of art was evident in his glass. John was a man that truly did not know the meaning of “shear mark”. His own daily life converted into his pattern design.
The rage for carnival glass in the U.S. continued for ten years (1908 to about 1918 ). When the market for carnival glass slumped in the twenties, the lower-quality carnival glass was given away as prizes at carnivals. Fenton was a family owned business operating from 1905 through 2011. They made carnival glass in many different colors.