A glass cone is a glass production structure historically unique to the United Kingdom. A glass cone had a large central furnace, a circular platform where the glassblowers worked, and smaller furnaces around its wall to ensure the glass did not cool too quickly. There are four surviving glass cones:
Catcliffe Glass Cone, South Yorkshire Lemington Glass Works, Newcastle upon Tyne Northern Glass Cone, Alloa Glass Works, a Scottish scheduled monument, Red House Cone in Wordsley, granted listed building status in 1966
See also Bottle oven, a bottle-shaped kiln typical of Stoke-on-Trent
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