Always Has Been: Chapter 1: John Harrison's H4 Marine Chronometer

In 1762, John Harrison made a revolutionary breakthrough in navigation with his creation of the H4 marine chronometer. This precise timekeeping device overcame the challenge of determining longitude at sea, significantly enhancing the accuracy and safety of maritime navigation. Harrison's innovation played a crucial role in the expansion of trade, exploration, and cultural exchange by improving the reliability of long-distance sea voyages, thereby boosting commercial and exploratory endeavors.