Brierley ZNC32 and ZNC51 Drill Grinding Machines: Operator's Instruction Manual and an illustrated Parts Manual as exploded-component drawings that show the relationship and positioning of all parts. The package also has additional Technical Bulletins for the standard machines produced over the years by the Company that detail a number of important aspects of drill-sharpening work. Also included is a large set of detailed Sales and Technical Specification Catalogues for all other Brierley Models. This represents a complete data set for the machines.