Elgin Elgin Grade 372 Technical Docs & Diagrams Grade 372 Technical Docs & Diagrams 16 Size Winding Indicator Diagram Source: Elgin Material Catalog (1915) Safety Barrel Diagram 1 Source: U.S. Patent #596408 Safety Barrel Diagram 2 Source: U.S. Patent #596408 Safety Barrel Diagram 3 Source: U.S. Patent #596408 Safety Barrel Diagram 4 Source: U.S. Patent #596408 Recoiling Click Diagram 1 Source: U.S. Patent #596407 Recoiling Click Diagram 2 Source: U.S. Patent #596407 Recoiling Click Diagram 3 Source: U.S. Patent #596407 Recoiling Click Diagram 4 Source: U.S. Patent #596407 Recoiling Click Diagram 5 Source: U.S. Patent #596407