glass-pot

Century Dictionary and Cyclopedia

1. n. A vessel or crucible used for fusing the materials of glass in a glass-furnace. Glass-pots are made of the most refractor earths or fire-clays by a tedious process, to insure the perfect uniformity and dryness necessary to enable them to resist the great heat of the furnace, and they constitute one of the chief elements in the cost of glass. The glass-pots for lead-glass (flint-glass and strass) are covered, and have an opening at the side; for all other kinds of glass they are open, with sloping sides, like pails without handles.