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Celebration Red Wine Glass Per Box of 6
Request Username Can't sign in? Forgot your username? It rarely occurs in its pure mineral form in nature, so most of the selenium used comes as a by-product from refining other ores, primarily copper. The use of selenium to make red glass was discovered by the glass chemist, Nicholas Kopp, in the early s. The effect of cadmium was invented by Joseph Locke, and actually patented in July Cadmium also had another effect - fluorescence - more of which later.
There were a number of contributing factors. S elenium was not widely available before Roll forwards two years to , and there is still only one single ad for selenium shown below. By , the supply of selenium became more available to the glass industry, as a by-product of copper refining. National Glass Budget ad, Pressed selenium red was hard to achieve Pressed red is a difficult colour to achieve with absolute uniformity.
When selenium red is taken from the hot glass batch it is red. Subsequent re-heating causes the yellow colour to change back to red that is to "strike". However, t he basic processes of heating-pressing-cooling that were required to "strike" selenium red, were complicated by the additional steps needed to make Carnival Glass.
Carnival Glass was generally hand-finished - vases were swung, bowls were spun into plates, bowls were crimped, ruffled and re-shaped, and so on, which meant successive heating and cooling. All of which are reflected in the colour variations that are found in "red" Carnival Glass - variations that are clear enough for collectors to have given them. Subscribe to Newsletter. I accept the Terms and Coditions.
The Red House Glass Cone
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Add to Cart. In a rich, glossy, traditional Christmas colours with extra depth, these superior glass baubles are the perfect addition to your tree this Christmas.
Mix and match with different tones of the same colour or with gold and silver for a really festive glow. Elegantly simple, they are easy to hang and look magnificent finished with ribbon. Dimensions: Dia. You May Also Like.