A button's ligne, refers to a button's size. The word ligne, is a French word that became the standard reference used by German button manufacturers in the early eighteenth century. Ligne is the internationally recognized standard. What does it actually measure? Points of contention actually. Consensus at the time was that a "ligne" measured the inside diameter of a "round wick folded flat." A ligne measurement is inches divided by .0888, or cm divided by 2.2558. |