Filed under longitude clock

Astronomy and the Sea

The book I’m slowly swimming through, shaping Time, is slow work because it keeps making me think of other things it highlights. Like the fact that accurate astronomy was known by the ancients, almost 2,000 years ago, but for most of European history, sailors relied on deep local knowledge and guess work. If they used … Continue reading

Genie Out of the Bottle

Industrial espionage is nothing new in fact it was widespread from the 17th century in England when Swedish spies were all over the West country till metalworking moved to the Midlands. So, it is no surprise that as soon as Harrison’s Longitude clock was announced to the world, arch rivals France were onto it. This … Continue reading