Cylinder blown sheet is a type of hand-blown window glass. It is created with a similar process to broad sheet, but larger cylinders are produced by swinging the cylinder in a trench. The glass is then allowed to cool before the cylinder is cut. The glass is then re-heated and flattened. The result is much larger panes and improved surface quality over broad sheet. This article refers to the material. ... Broad sheet is a type of hand-blown glass. ...

Other methods of producing hand-blown window glass included broad sheet, blown plate, crown glass and polished plate. These methods of manufacture lasted at least until the end of the 19th Century. The early 20th Century marks the move away from hand-blown to machine manufactured glass such as rolled plate, machine drawn cylinder sheet, flat drawn sheet, single and twin ground polished plate and float glass. Broad sheet is a type of hand-blown glass. ... Blown plate is one of many types of hand-blown glass. ... Float glass is made by melting raw materilas consisting of sand, limestone, soda ash, dolomite, iron oxide and salt cake. ...

Cylinder blown sheet glass was manufactured in the UK in the mid 19th Century. It had been manufactured in France and Germany (and imported to the UK) since the 18th Century.

Sources

Hand-blown glass: manufacturing process. London Crown Glass Company. URL accessed on December 30, 2005. December 30 is the 364th day of the year (365th in leap years) in the Gregorian Calendar, with 1 day remaining. ... 2005 (MMV) was a common year starting on Saturday of the Gregorian calendar. ...