Zocca Surface Grinders. Not a manual but a useful technical sales catalogue with details of the 500, 650, 850, 1100 models. Well illustrated and showing many unusual and complex operations.
Zocca Surface Grinders Models RU 600/3, RU 1000/3 and RU 1500/3. Operation and Maintenance Manual with Parts as Sectional Drawings. Includes Switch and Coolant pump wiring diagrams (not a complete electrical schematic). £95