More Makers of American Machinist's Tools : A Historical Directory of Makers and Their Tools

Intended for collectors, dealers, and researchers, this is the third of three volumes by the author on machinist's tools and commercial makers of these tools. Abundantly illustrated, it contains 200 entries (to add to the 300 which appeared in one of the previous volumes). Indexed by date and patent number, patentee, and tool type. Annotation c. by Book News, Inc., Portland, Or.