Unit Definition (Paris foot) The Paris foot is an English name for the French royal foot (pied de roi).
Unit Definition (douzieme [print]) The douzième 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, about 188 micrometers (microns) or 7.4 mils.
Length/Distance 
