This book is a comprehensive overview of four and a half thousand years of jewelry technologyーfrom the dawn of the Bronze Age to the end of the medieval period, including chapters on design, gold r……続きを見る
This vintage book contains a comprehensive treatise on the hardening, tempering, annealing, and case-hardening of various kinds of steel, including high-speed, high-carbon, alloy, and low carbon ste……続きを見る
