Annealing Oven (annealer, tempering oven)
A heated device or furnace area where glass is slowly cooled to relieve internal stress so it will not shatter.
The mixture of raw materials that are melted to make glass.
A special chair, usually having two metal arms, where the glassblower sits while working hot glass.
A tool, usually made from a chunk of fruit wood, hollowed out to form a hemispherical recess used to give a gather of glass its basic shape, usually a sphere, before it is inflated. Depending upon its size, the block may be on the end of a handle or in a stationary location, and is kept wet to reduce charring and to create a cushion of steam between the wood and the hot glass.
The long metal tube the glassblower uses to inflate a bubble of glass.
Broken pieces of glass added to batch to facilitate the melting process
An oven where raw materials are heated to extremely high temperatures to melt glass
The head glassblower, sometimes called the “master workman of the chair” in the 19th century
A molten gob of glass, or the act of getting a gob of molten glass from the pot
A furnace used to reheat glass during the glass forming process
A glassworking tool, somewhat like large tweezers, with 2 long metal arms used for shaping hot or molten glass
A metal table where the glassblower rolls a gather of glass to make it smooth, or the act of rolling the glass on the table
Punty (pontil rod)
A solid metal rod with a little hot glass on the tip used to hold the glass object while it is being shaped