The glass is then re heated and flattened.
Cylinder blown sheet glass.
The glass is allowed to cool before cutting the cylinder which is then re heated and flattened.
The glass is then allowed to cool before the cylinder is cut.
The glass is then re heated and flattened.
The glass was mouth blown into cylinders and then flattened into sheets by hand.
A similar process to broad sheet except that larger cylinders are produced by swinging the cylinder in a trench.
It is created with a similar process to broad sheet but larger cylinders are produced by swinging the cylinder in a trench.
This is used for matching existing original cylinder blown or crown glass.
The glass is then allowed to cool before the cylinder is cut.
The glass will be returned to the furnace and heated to about 1250 f.
It is glazed where existing original glass is broken or where replacement windows are required to match existing sashes in a period building.
This process produced glass containing various imperfections both within the glass and on its surface but was of better quality then previous methods and produced larger panes of glass.
Cylinder blown sheet is a type of hand blown window glass.
The turn of the century heralded great innovations in glass making.
Larger panes and a much improved surface quality result.
Crown glass is one of many types of hand blown glass.
Cylinder glass is handmade using traditional mouth blowing methods.
A similar process to broad sheet except that larger cylinders are produced by swinging the cylinder in a trench.
Cylinder blown sheet is a type of hand blown window glass.
This is then rolled to give a flat piece of glass which is cooled slowly to toughen it and remove internal stresses.
It is created with a similar process to broad sheet but larger cylinders are produced by swinging the cylinder in a trench.
At this temperature the glass will again be in a ductile state and can be flattened into a sheet.
These methods of manufacture lasted at least until the end of the 19th century.
The glass is then re heated and flattened.
Genuine handblown cylinder glass e g.
The glass cylinder is now ready for flat glass alignment.
Cylinder blown sheet is a type of hand blown window glass.
First a cylinder of glass is blown and then scored.
This allows the cylinder on reheating to flap open.
The early 20th century marks the move away from hand blown to machine manufactured glass such as rolled plate.
German cylinder blown sheet type nr.
Broad sheet blown plate polished plate and cylinder blown sheet.
It is created with a similar process to broad sheet but larger cylinders are produced by swinging the cylinder in a trench.
