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from The Century Dictionary and Cyclopedia

  • n. A gage used to determine the accuracy of screw-threads, cut by machine, as to depth, pitch, and conformity to standard. If the thread is cut with a taper, as on taps and pipes, a thread-gage is used to test the accuracy of these elements also.
  • n. A gage for deter mining the number of threads to the inch on screws and taps.


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