What is Bristol blue glass?

Bristol blue glass is a distinctively deep cobalt blue glassware historically linked to West Country kilns during the late eighteenth and early nineteenth centuries. The term now commonly describes similar dark blue tableware from that broader period. The intense colour comes from cobalt oxide added to the molten batch. Many pieces feature gilt accents or silver mountings for dining use.

How were cobalt glass decanters used?

Cobalt glass decanters served to store and pour wines, spirits, and cordials on dining tables and sideboards. Their dark colour helped protect light-sensitive contents from degrading. Matching sets often sat within silver-plated or wirework bottle stands. They were paired with stoppers to preserve the aromas of the liquids inside.

How do I date antique blue glass?

Dating relies on examining the pontil mark on the base, the weight of the lead crystal, and the style of any silver hallmarks. Georgian pieces generally show heavy wear beneath and simpler hand-blown irregularities. Victorian and later items often incorporate machine-pressed elements, standardised stoppers, or detailed silver mounts with legible date letters. Comparing the decorative motifs helps narrow the decade.

How should I clean cobalt glass?

Cleaning requires warm soapy water and a soft cloth, avoiding abrasive pads that can scratch the surface or wear down gilt details. Items with metal mounts or enamel work need careful handling to protect the joins. Submerging antique metal-mounted items for long periods can weaken adhesives or tarnish the silver. Dry the glass thoroughly with a lint-free cloth after washing.

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Cobalt blue glass brings deep, vibrant colour to domestic display through vessels and tableware shaped across the eighteenth, nineteenth, and twentieth centuries.

Fine Collection of 4 French Etched Glass Soda Syphons

1920 - 1940

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Fine Collection of 4 French Etched Glass Soda Syphons

From Debenham Antiques Ltd

£895

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Mid Century St Louis Crystal Spirit Decanter C1950

1940 - 1960

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Mid Century St Louis Crystal Spirit Decanter C1950

From Exhibit Antiques

£230

FOR SALE

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Cobalt Blue Glass

Fine Collection of 4 French Etched Glass Soda Syphons

Mid Century St Louis Crystal Spirit Decanter C1950

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