06
Glass
Heat, breath and timing.
Three processes, one material. Each entry below names what the work actually requires — the place it has to happen, the tool it needs, or the property of the material that decides the outcome.

Lead entry
Lead crystal
Lead oxide softens the melt and raises the refractive index, which is why cut crystal flashes.
Photo: 0 Le maître verrier Werner Garcia (1) · Wikimedia Commons
In this section
Section 06- 01
Lead crystal
Lead oxide softens the melt and raises the refractive index, which is why cut crystal flashes.
Standard entry - 02
Hand blowing
A gather on the end of an iron, breath, and a very short working window.
Standard entry - 03
Annealing
Cooling too fast leaves stress that will break the piece later, so it goes into a lehr for hours.
Short entry