Sykes S6 Vertical Gear Generator: Operator's Instruction Manual with Parts Manual as Sectional Drawings.

SYKES S6 Gear Shaper. Detailed Sales and Technical Specification Catalogue. English, French and German text. 22 pages. 

Sykes: Informative and useful Data Sheets with Specifications and capabilities of a range of Sykes Gear Hobbing and Shaping Machines, the sharpening of cutters, use of hobs, cutters and much general advice about gear production: IML F6, H6 Unimat Hobbing machine, IML Sykomat S6 Gear Shaper, IML Multimat S6 Gear Shaper, 1B Horizontal Gear Generator, 1B M/C, 1B Semi-Automatic, 5E