Blown plate is one of many types of hand-blown glass. It is made from broad sheet glass by laboriously hand grinding and polishing both surfaces. Blown plate is of a sufficient quality and size for mirrors and coach glasses. This article refers to the material. ...
Other methods for making hand-blown glass included: broad sheet, crown glass, polished plate and cylinder blown sheet. These methods of manufacture lasted at least until the end of the 19th century. The early 20th century marked 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. Float glass is made by melting raw materilas consisting of sand, limestone, soda ash, dolomite, iron oxide and salt cake. ...
There is a record of blown plate being produced in London in 1620. Part of the London skyline viewed from the South Bank London is the most populous city in the European Union, with an estimated population on 1 January 2005 of 7. ...
Sources
^ Hand-blown glass: manufacturing process. London Crown Glass Company. URL accessed on December 30, 2005.
Molten glass is gathered on a blowpipe, and blown to an elongated balloon shape.
Cylinder Blown Type NR Baltic Type LR Because Crown glass is no longer made, a variant of Cylinder Blownglass called "Vauxhall Glass" is produced.
This is similar to Cylinder Blown Sheet Type NR but during the final process, the glass is slightly curved to give the bulging appearance of Crown glass.
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.
In 1773 English polished plate (by the French process) was produced at Ravenshead.
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