Studio Glass Batch LLC

Ever wanted a reliable, scientific test for color compatibility and annealing strain?

> Wondering why a color that fit before is suddenly a problem?
> Is that crack caused by poor annealing or color incompatibility?

> Wasting energy by annealing longer than necessary?

Strain in glass is revealed as light passes through two crossed polarizing filters.

Answer your questions with the easy-to-use StudioGlassBatch Polariscope-in-a-Bucket

Price: $49.95 + shipping

StudioGlassBatch Polariscope-in-a-Bucket revealing annealing strain (rainbow colors) in glass sample.

StudiogGlassBatch Polariscope-in-a-Bucket: complete with two movable polarizing filters, light source, and switchable cord set.