Convert douzieme to shackle (Britain 1949)
Selected category: length.
Definition and details for douzieme:
Douzième is a traditional unit of distance used by watchmakers equal to 1/12 ligne or about 188 micrometers.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.