Hunt (Churchill) Drill Grinders Models DG100, DG23, DG2A, DG3S, DG3A & GG23etc. Operator's Instruction Manual. Parts Manual for the DG100 as Sectional Drawings with Sales and Specification Catalogues. These instructions apply to all types and sizes of "Hunt Patent" drill grinder.

Matrix (Coventry Gauge and Tool Company - a design by Hunt ) DG100 Drill Point Grinding Machine. Operator's Instruction Manual with Parts Manual as Sectional Drawings.