Strands#265 Did You Hear That?
Quizzes & Puzzles0 min ago
Does anyone know the name for the imperfections in old window glass that makes the view through it distorted?
No best answer has yet been selected by wycombeite. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.Don't know if there's a particular term but old glass was blown as a large disk and cut from that. The "bulls eye" at the center which is now often seen in feature windows was often waste or sold very cheaply.
Later glass was formed from a cylinder and opened out.
Both methods create more imperfections than modern glass which is extruded onto a molten tin bath.
It can still be bought as restoration glass from people like Hetleys
http://www.hetleys.co.uk/rightcata.html
More information here:
http://www.buildingconservation.com/articles/glazing/glazing.htm
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