THE ANALYSIS, MODIFICATION AND TEST OF A TORSIONAL HAIRSPRING ESCAPEMENT Open PDF Document Details Document Type Technical Report Publication Date Aug 11, 1961 Accession Number AD0261268 Entities People Charles M. Saltsman Jr. George W. Coxeter Tags Communities of Interest Weapons Technologies DTIC Thesaurus Topics Accuracy Assembly Clocks Curvature Engineering Films Friction Geometry Lubricants Lubrication Manufacturing Materials Moment Of Inertia Production Solid Film Lubricants Solid Lubricants United States