TQ1982 : Preedy Glass, impact testing toughened glass
taken 3 months ago, near to Acton, Ealing, England

Preedy Glass, impact testing toughened glass
Some tests on toughened glass are visual or mechanical bending, representative samples are broken by punching to make certain that the glass breaks into a lot of small, similarly sized pieces. Photo taken during open day, see TQ1982 : Preedy Glass, Coronation Road, at Open House Festival for description of company.