Blown plate glass

Blown plate is a hand-blown glass. There is a record of blown plate being produced in London in 1620.

Production

Blown plate was made by hand-grinding broad sheet glass. As the process was labour-intensive, and expensive, blown plate was mainly used for carriages and mirrors rather than in windows for buildings.^[1] 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.^[2]

References

↑ "The History of Window Glass Manufacture". History Of Glass Manufacture. Sash Windows London.
↑ "Hand-blown glass: manufacturing process". London Crown Glass Company. Archived from the original on November 6, 2005. Retrieved December 30, 2005.

Glass production techniques

Commercial techniques	Float glass process Blowing and pressing (containers) Extrusion / Drawing (fibers, glasswool) Drawing (optical fibers) Precision glass moulding Overflow downdraw method Pressing Casting Cutting Flame polishing Chemical polishing Diamond turning Rolling

Artistic and historic techniques	Beadmaking Blowing Blown plate Broad sheet Caneworking Crown glass Cylinder blown sheet Engraving Etching Fourcault process Fusing Lampworking Machine drawn cylinder sheet Millefiori Polished plate Slumping Stained glass fusing Stained glass production

Natural processes	Radiative processes Opal formation Sea glass Shock metamorphic glasses/Impactite Vitrified sand Volcanic glasses

See also	Glossary of glass art terms Glass recycling

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