Convert palmus (ancient Roman palm) to shackle (Britain 1949)
Selected category: length.
Definition and details for palmus (ancient Roman palm):
Palmus was used by ancient Romans as a unit of length equal to 7.3925 cm.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.