Convert line (button makers) to shot (U.S. shackle)
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 shot (U.S. shackle):
Shot is another name for a shackle as unit of length for anchor chains. It is common in the U.S. and equal to 90 feet or 27.432 meters.