Convert angstrom to line (button makers)
Selected category: length.
Definition and details for angstrom:
Angstrom (Å or A) is a unit of length, equal to 0.1 nanometer or 10-10 meter. This unit was named Angstrom to honor the Swedish physicist Anders Jon Ångström (1814-1874) and is used to measure the wave length of light waves.
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.