Wahli 91 Gear-cutting Machine. Operator's Instruction and Maintenance Manual with 7 long, fold-out Electrical schematics scanned as overlapping pages. One extra Electrical Schematic was found as the sole page in another original Wahli 91 manual; this has been included as well - just in case. All the electrical drawings are printed, but as the originals were printed on dark paper (but have been scanned at 1200 d.p.i. and rendered to B & W) the originals will be emailed to you as well. They will arrive using a file compression program called "fromsmash.com"