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.
The "Hunt" was, at one time, a very well known machine and also sold badged as "Archdale", "Herbert", "Jones & Shipman", "Churchill", "Dormer" and "Teston".  It was made for many years in several forms and sizes - but all operated in the same way.