NILES (WMW & Union) DLZ-500, DLZ-630 & DLZ-800 Lathes Manual - early models.
NILES WMW VEB 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 and Electrical Schematics. This manual is for the earlier models with "rounded" styling.