A step-by-step guide to making an effective polariscope at low cost from easy to obtain materials. I run a small shop, and the equipment budget is often tight. When time permits, I like to make some of my own equipment. As most glassblowers know, a polariscope can be a very useful tool around the glass shop, but if you are like me, you do not use it very often. If you do not already have one, it can be hard to justify the cost. In this article, I will show you how to make an effective polariscope at low cost.
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