ITW

MEASURING INSTRUMENTS AND EQUIPMENT-NAMELY, INVOLUTE PROFILE MEASURING MACHINES; HELICAL LEAD MEASURING MACHINES; AUTOMATIC TOOTH SPACE COMPARATORS; ANALYTICAL COMPARATORS; HOB AND WORM LEAD MEASURING MACHINES; HAND ROLLING MEASURING MACHINES, AND FINE PITCH HAND ROLLING MEASURING MACHINES, AND MECHANICAL RECORDERS THEREFOR; INTERNAL GEAR ROLLING MACHINES; UNIVERSAL HOB AND WORM MEASURING MACHINES; HOB TOOTH PROFILE MEASURING MACHINES; HOB AND CUTTER SHARPENING CHECKERS; WORM AND WORM GEAR MEASURING MACHINES; BEVEL-HYPOID GEAR CHARTERS; PARALLELISM CHECKING MACHINES; BEVEL GEAR HAND ROLLING MACHINES; AND OTHER SURFACE MEASURING INSTRUMENTS AND THE LIKE