Glass Tips from Verrier

Testing for stress is one of the most important elements in kilnforming.  It may not look like there is stress when there is considerable am...

Will stress still show with polarised filters on cracked and broken glass? It's not a straightforward answer. I was looking at some ...

Polarised light filters are used to detect stress in a non-destructive testing method in kilnforming.   The use of the filters is described ...

People frequently report success in combining incompatible glass pieces with a larger, different base. Questions arise. Have the r...

Using polarized light filters to show stress works on the principle that stressed glass  rotates the polarisation direction of the  light a...