Crown Glass

Crown glass or bullseye glass was an early type of window glass. In order to create a crown or bullseye shaped piece of glass, molten glass is blown into a large bubble and then spun rapidly in order to form a disc. The disc is cut by forcing it against a blade, thus creating pieces that are roughly circular and can be used as panes in larger windows.

When Was Crown Glass Invented

Crown glass was invented by George Ravenscroft in 1674 during the early stages of the British glass industry.

The process for manufacturing the glass discs required too much time and effort to allow for mass production at this stage in history. Most pieces were therefore small and expensive which limited their uses. Eventually however, other techniques such as cylinder blowing replaced these earlier methods and crown glass was no longer used in the production of window glass.

Modern Uses For Crown Glass

Crown glass thicker at the center and thinner towards the edges. This makes it perfect to use as decorative glass for windows, doors and sidelights. It may also be used to as historical elegance and natural light while hiding sights and giving offering privacy.

Author

Elias Chahine

Elias Chahine is the director of Gusto Emergency Glass Replacement and has many years in the glass repair and construction industry

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