• Source: Bristol blue glass

Bristol blue glass has been made in Bristol, England, since the 18th century, with a break between the 1920s and 1980s.




History


During the late 18th century Richard Champion, a Bristol merchant and potter, making Bristol porcelain, was working with a chemist, William Cookworthy. Cookworthy began a search for good quality cobalt oxide to give the blue glaze decoration on the white porcelain and obtained exclusive import rights to all the cobalt oxide from the Royal Saxon Cobalt Works in Saxony. It is uncertain when Bristol blue glass was first made but the quality and beauty of the glass swiftly gained popularity, with seventeen glass houses being set up in the city.
Lazarus and Isaac Jacobs were the most famous makers of Bristol blue glass in the 1780s. Lazarus Jacobs was a Jewish immigrant to Bristol from Frankfurt am Main, Germany. In 1774, at the age of seventeen, Isaac joined his father's glass cutting firm at 108 Temple Street, Bristol, and launched Bristol Blue glass as a national brand, using the cobalt oxide Cookworthy imported. Isaac was responsible for the great growth of the company, and the expansion of its goods. Their company held a royal warrant and made glass for the aristocrats of Europe. Bristol’s glass makers were invited to demonstrate their skills at the Great Exhibition of 1851, opened by Queen Victoria and Prince Albert. At this period cranberry glass was made for the first time by adding 24 carat gold to lead crystal, giving the glass its ruby red tones.
Production ceased in about 1923.




Revival


Around 1970 Thomas Webb & Sons of Stourbridge made a range of about ten Bristol blue glass shapes, but had to stop as they found cobalt dust was contaminating their lead crystal. At the request of John Stott, the managing director of Thomas Webb (who closed down in 1990), Nazeing Glass of Broxbourne, Herts, supplied the Bristol Museum and Art Gallery Shop with a range of some twenty glass shapes, all based on 18th century inspired designs, from 1975 until 1990. Bristol-based glass makers James Adlington and Peter Sinclair held their Hot Glass exhibition in 1988 at Hand Made Glass, Bristol, which led to a revival of Bristol's hand blown glass industry, and to the creation of a company that has spawned the careers of many other studio glassmakers in the southwest of England. Today, Bristol Blue Glass is produced by The Original Bristol Blue Glass Ltd in Brislington, established in 1988.
In the 1990s, John Harvey & Sons of Bristol began to sell Bristol Cream sherry in bottles made from Bristol blue, after a period of over 100 years during which blue bottles had been associated with the sale of dangerous or poisonous liquids.




Production























Chemical composition


The glass contains cobalt oxide, which creates a deep yet bright blue, and 24% lead oxide (PbO).




See also


Cobalt glass
Glassblowing




References






External links


Bristol Blue Glass
Video of glass blowing at Bristol Blue Glass

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