MANURHIN "Polygon" Universal & Profile Grinding Machine. A complete Data pack Consisting of a detailed Operation & Maintenance Manual with Electrical Schematics (in English); a separate 58-page publication "Working Principles of the Polygon Grinding Machine" (this section is in English, French and German) with examples of work possible. Also included is a detailed 10-page Sales & Specification Catalogue and a manual titled: "Operating Instructions for MOTTU Grinding Spindles dia. 50 x 380R" - both the latter in English).