Blown plate

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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.

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.

There is a record of blown plate being produced in London in 1620.

[edit] Sources

  1. ^  Hand-blown glass: manufacturing process. London Crown Glass Company. Retrieved on December 30, 2005.
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Glass forming techniques
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In addition, glass can be formed by other techniques that are common for ceramics or metals, including polishing, sintering, sawing, grinding, drilling, cutting, and bending. For application to glass these techniques may need to be adjusted.