Convert shackle (Britain 1949) to thou (length)
Selected category: length.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.
Definition and details for thou (length):
Thou is an alternative name of mil. It is a unit of distance equal to 25.4 microns and it is used in Britain and the U.S.