WAHLI 90 precision gear hobbing machine, designed to cut the teeth of small gearwheels and pinions. It turns a prepared, plain gear blank into a toothed component. Detailed  Operator's Instruction and Setting Manual with three large Electrical Diagrams and many useful sectional drawings.  

Wahli 90 Precision Gear-hobbing Machine. Parts Manual as very high-resolution scans of Sectional Drawings enlarged to A3 paper size and printed on high-quality 120g paper