All of DGM's Glory Holes come mounted on a welded tubular steel stand and have the split door feature. The smaller glory holes have one split door and the larger have two sets. The ceramic fiber glory hole heats up quickly and burns clean. The steel stand is equipped with leveling feet.
Who Invented the “Glory Hole”—Glass Blowers or Gays?
Hot Shop Equipment – The Glass Hive
Glassblowing is a glassforming technique that involves inflating molten glass into a bubble or parison with the aid of a blowpipe or blow tube. A person who blows glass is called a glassblower , glassmith , or gaffer. A lampworker often also called a glassblower or glassworker manipulates glass with the use of a torch on a smaller scale, such as in producing precision laboratory glassware out of borosilicate glass. As a novel glass forming technique created in the middle of the 1st century BC, glassblowing exploited a working property of glass that was previously unknown to glassworkers; inflation, which is the expansion of a molten blob of glass by introducing a small amount of air to it. That is based on the liquid structure of glass where the atoms are held together by strong chemical bonds in a disordered and random network,    therefore molten glass is viscous enough to be blown and gradually hardens as it loses heat.
According to the Glass Dictionary available on The Corning Museum of Glass website, the definition of "glory hole" is. The best arrangements for annealing may be foiled, should the Glassblower unnecessarily lose time after finishing the work; as the hotter the goods enter the arch, the better; on this account, the large goods receive a final reheating at the mouth of a pot heated by beech-wood, and called the Glory Hole. Successful annealing depends much upon the proper direction of the wind : the best aspect for this purpose is when it passes over the fuel of the lear toward the lear chimney, so that the hot air is always radiating in the downward current upon the goods.
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