DOWLING (David Dowling) Pantograph Engravers/Die Sinkers & Engraving Cutter Grinder - Manuals DOWLING (David Dowling) Pantograph Engravers/Die Sinkers & Engraving Cutter Grinders. Models 242, 595, 848 and 848A. Collection of Operation Manuals and Sales & Technical Specification Catalogues. Manufacturers: Dowling David Dowling Models: 595 242 848 848A Contents: Operators Manual