MATTISON Machine Works (USA). Operating and Maintenance Manual "For all sizes of Mattison High-powered Surface Grinders of the Horizontal Spindle, Reciprocating Table Type". Includes comprehensive instructions for the "OilGear" Variable-delivery pumps Typea D, DC, DS, CG, abd D with sectional drawings and the "Four-way" reversing Plunger pumps for reciprocating drives". Includes a copy of the maker's all-models' Sales & Techical Specification and Accessories Catalog.