Line graduated measuring instruments -- Fixed gages -- Gage blocks -- Comparative length measurements with mechanical and electronic indicators -- Pneumatic gaging -- Electronic gages -- Engineering microscopes -- Optical projectors -- Angle measurements -- The measurement of straightness, flatness and perpendicularity -- The systems and applications of measuring machines -- Profile measurements -- The measurement of roundness and circular contours -- Surface-texture measurements -- Screw thread gaging and measurement -- The measurement of gears -- Process control gaging -- Automated dimensional measurements.