Blown plate glass

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


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]


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