Dormer Drill Grinder Model 48 (Hunt Type). Operator's Instruction Manual and Clear descriptions of the advantages of "point relieving" and "point thinning".
The "Hunt" was, at one time, a very well known machine and also sold badged as "Herbert", "Jones & Shipman" and "Dormer". It was made for many years in several forms and sizes - but all operating in the same way.

Dormer Drill Grinder Model 108. Two editions of the Operator's Instruction and Maintenance Manual (one the complete, detailed edition, the other a briefer guide) with Electrical Schematics, Parts as Sectional Drawings and a copy of the maker's Sales and Technical Sopecification Catalogue.

DORMER Drill Grinder Model DG100 Semi-Automatic. Also branded Churchill and Hunt. Operator's Instruction and Maintenance Manual with Electrical Schematics and Parts as Sectional Drawings. Please note: this is not the same machine as the Dormer Model 100, However, the operating procedures are the same and the manual should help with that model.