Dufour (Gaston Dufour) 54 Milling Machine Operation, Maintenance and Parts Manual Dufour (Gaston Dufour) Type 54 Milling Machine: Operator's Instruction and Maintenance Manual with Parts Manual as Sectional and Exploded Component Drawings with Electrical Diagrams Manufacturers: Dufour Models: 54 Contents: Operators Manual Maintenance Manual Parts Manual Electrical Diagrams