Convert line (button makers) to palm (Britain)
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 palm (Britain):
Palm in Britain was used as a unit of length equal to the width of a person's palm. It was equal to 4 digits or 7.62 cm.