Unit Definition (douzieme [watchmaking]) The douzieme is a traditional unit of distance used in watchmaking. The word is French for "twelfth," and a douzième is equal to 1/12 Swiss ligne. This is about 188 micrometers (microns) or 7.4 mils.
Unit Definition (nail) A former unit of length for cloth equal to 1/16 of a yard.
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