Extra Particularly, “if not created from the workshop, everything was made in just an hour’s travel from Stamford”. six miles, or 55.7 km) at the end of a 6 months’ voyage. (The geographical mile is defined as a single minute of arc together the Earth’s equator; Assess the nautical mile, https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/