I have a beautiful large glass prism for sale. All faces are clean and clear, one small nick on an edge, as shown. Length 6.5", main face is 2-3/4 wide, others 2". A small mounting piece on the outer edge of the main face, probably glued, may be removeable. Weight bare is 20 oz.
Great for optical demos, spectrum etc. #Satisfaction guaranteed. $10 + actual ship from 81401.
Tom K8ERV # email@example.com