Truly the ultimate one-volume book every hobbyist, jeweler, jewelry maker, and rockhound will ever need! Chock-full of more than 1,500 full-color photos showcasing each precious and semiprecious stone in both its rough and polished state, this bestselling reference book...
With a million copies in print, here comes an even larger, more up-to-date version of the most complete reference book ever published on the subject. All the gemstones ever discovered are treated in their many variations. More than 1,500 full-color photos showcase each precious...
Almost a companion to Donald de Carle's earlier work, "Practical Watch Repairing, " this book's contents include general condition of the movement; cleaning and oiling; balance pivots; fitting a flat balance spring; fitting a breguet balance spring; positional timing; further...