Convert inch (survey) to shackle (Britain 1949)
Selected category: length.
Definition and details for inch (survey):
U.S. survey inch was defined on April 5, 1893 by Thomas Corwin Mendenhall, as a unit of length equal to 1/39.37 meters exactly.
Definition and details for shackle (Britain 1949):
In 1949 the Royal Navy redefined shackle as 90 feet or 27.432 meters.