You are reading a single comment by @Greenbank and its replies.
Click here to read the full conversation.
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
@Greenbank
It was made recently but to Harrison's designs of 250 years ago.
It's not the "most accurate clock in the world" but the "most accurate mechanical clock with a pendulum swinging in free air".