Herbert "Junior" hand-operated Surface Grinder. Sales, Technical Specification & Accessories Catalogue. A 4-page late-edition together with a 2-page early version showing the differences as the machine changed from the Mk.1 to the Mk. 2.
Herbert (by Edgwick) Junior Surface Grinder - a simple, hand-operated model. Parts Manual as exploded component drawings. Includes a copy of the early and late Sales & Technical Specifcation Catalogues. The Herbert No. 1 was also sold direct badged as an Edgwick
Precision Grinding Techniques - Jones and Shipman. Precision Grinding Techniques - a Primer. Covers the essential basics of Surface, Tool, Cylindrical, and Internal precision grinding. 87 pages.