Pocket watch accuracy was greatly improved when the ... a kind of anti-gravity chamber that he called a tourbillon, a French word meaning ‘whirlwind’. A single-axis tourbillon in motion.

Like all good inventions, the tourbillon was created to solve a problem – in this case, how the pull of gravity interferes with the moving components of a mechanical pocket watch. Since the ...

A tourbillon (French for "whirlwind") is a centuries-old mechanism built inside some of the world's most expensive watches. It was originally designed to improve the accuracy of pocket watches by ...