Patent Sourcebook for Bitstock Tools, by Dr. James E. Price. 175 Pages. Softbound. In a work that required five years of research, Jim Price, whose professional training as an anthropologist is apparent in the quality of this work, has assembled a collector's guide to nearly every type of tool that could be used in a brace and bit. In so doing he has revealed a fascinating world of invention set against the backdrop of the industrial dynamism of the last century. Illustrated with period engravings and patent drawings, and including tables grouped by date, patentee and type of tool, this book is the key to understanding the fascinating world of bitstock tools. UNAVAILABLE (BK-0025)