Far More especially, “if not produced from the workshop, anything was made in just an hour’s drive from Stamford”. 6 miles, or 55.7 km) at the end of a 6 weeks’ voyage. (The geographical mile is described as a person minute of arc along the Earth’s equator; Examine the nautical https://www.watchesworld.com/understanding-the-complex-world-of-chronometers/