NILES, WMW, VEB & Erfurt DLZ-500, DLZ-630, DLZ-800, DZ500 and DZ630 Lathes (WMW, VEB and UNION East Germany) Huge Operator's Instruction and Maintenance Manual with Mechanical Schematics. This manual is for the earlier models with "rounded" styling. Note: produced under communist control the print quality was poor - though the wiring diagrams are fine.  For the later, "angular" models DLZ-500V, DLZ-630V & DLZ-800V see publication MW561