measuring probes, styli for measuring probes, measuring probe heads, adapters, extension bars, knuckle joints and holders for measuring probes, measuring probe storage and retrieval racks, laser scanning measuring probes, laser interferometers and optical parts therefor; motorized measuring probes, motorized drives for measuring probes, inductive data transmitters, interface units, power supplies, optical data transmitters, battery chargers, switch boxes, controllers, transmitters, gauges, machine checking gauges, optical scales, scale readers; lasers; parts for all the aforesaid goods; computer programs for use with measuring apparatus and instruments and computer programs manuals sold as a unit