Studer OB Universal Grinder: Operating and Maintenance Manual with Sectional Drawings and two electrical drawings.

KEARNS No.0 Series (OA, OB, OC Models) Horizontal Boring and Facing Machine (including Optimetric Measurement System Types). Operator's Instruction and Maintenance Manual with Sectional Drawings and Electrical Schematic. Includes a separate smaller manual issued with the early machines and a copy of the comprehensive and useful technical Sales and Specification catalogue.