Diamond Design: A Study of the Reflection and Refraction and Refraction of Light in a Diamond. E-book. Formato PDF Marcel Tolkowsky   -  Forgotten Books, 2017  - 

This book is written principally for students of precious stones and jewellers, and more particularly, for' diamond manufacturers and diamond cutters and polishers. The author will follow the evolution of the shape given to a cut diamond, and discuss the values of the various shapes and the reason for' the discarding of the old shapes and the practically universal adoption of the brilliant.'