United States or Guam ? Vote for the TOP Country of the Week !
This done the flattening-stone was moved on wheels to a cooler part of the furnace and the sheet of glass upon it was transferred to a cooling-stone. When stiff enough it was taken off and placed either flat or on edge in a rack with other sheets. So the process went on. Cylinder after cylinder was blown, opened up, flattened, and annealed.
Word Of The Day