- Triangulation Applied to Sheet Metal Pattern Cutting: A Comprehensive Treatise for Cutters, Draftsmen, Foremen and Students; Progressing From the ... in the Development of Sheet Metal Patter
- Triangulation Applied to Sheet Metal Pattern Cutting: A Comprehensive Treatise for Cutters, Draftsmen, Foremen and Students; Progressing From the ... in the Development of Sheet Metal Patter
- Elbow Patterns for All Forms of Pipe: A Treatise Upon the Elbow Pattern Explaining the Most Simple and Accurate Methods for Obtaining the Patterns for ... With Useful Mathematical Rules and Tables
- Elbow Patterns for All Forms of Pipe: A Treatise Upon the Elbow Pattern Explaining the Most Simple and Accurate Methods for Obtaining the Patterns for ... With Useful Mathematical Rules and Tables
- Elbow Patterns for All Forms of Pipe: A Treatise Upon the Elbow Pattern Explaining the Most Simple and Accurate Methods for Obtaining the Patterns for