from The Century Dictionary.

  • noun A device for testing the diameter, the pitch, and the accuracy of the thread of screws.


Sorry, no etymologies found.


  • The size of screws is indicated by their length in inches, and by the diameter of the wire from which they are made, using the standard screw-gage, Fig. 220, p. 117.

    Handwork in Wood

  • _Machine-screws_, Fig. 231, are similar to stove-bolts, but are accurately cut and are measured with a screw-gage.

    Handwork in Wood


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