Amazon.com description: Product Description: In this book Robert Smith explains all of the details of this ancient form of glass decorating. There exists today, literally tens of thousands of magnificent stone-cut and engraves crystal artworks. The heavy cutting art reached its pinnacle between the 1880's and the 1920's and is generally referred to as "the brilliant period". Engraving or light cutting is a modification of the same process and also uses extremely abrasive grindstones. Few people know anything about this art today. This book covers everything an artistic person needs to know about acquiring the necessary tools and techniques to embark on this most rewarding artform.