Convert line (button makers) to lieue des postes (French league)
Selected category: length.
Definition and details for line (button makers):
U.S. button maker use the "line" unit of length to measure buttons. This unit is equal to 1/40 inch or 0.635 mm. It was probably introduced by German immigrants, who used since ninth century a different version of "ligne" equal to 1/40 inch to measure buttons.
Definition and details for lieue des postes (French league):
Lieue des postes (French league) was the official unit of the French league. It was created in 1737 and it was equal to 2200 toises or about 4288 meters.