Measuring apparatus and instruments; measuring apparatus and instruments for machine tools; apparatus and instruments, all for linear measuring; digital read-out units; gauges with digital readout; linear encoders; linear measuring instruments and apparatus; measuring probes; adaptors, extensions, joints, shanks, adjusting plates, styli, holders, radio transmission apparatus, inductive transmission apparatus, optical transmission apparatus, contact modules, interfaces, probe heads, all for measuring probes; measuring scales, scale readers, scale applicators, and transducers thereof; computers, computer programs, switches, power supplies, controls, battery chargers all for use with measuring apparatus and instruments; computers, controllers, computer programs for controlling machine tools and tool setting systems; parts and fittings for all the aforesaid goods