I’ve got a mechanical movement clock that is accurate to a minute every two weeks. It’s better, or worse, depending upon the temperature, as the wooden pendulum stick moves.

The 18th-century horologist John Harrison claimed that he could make the world's most accurate pendulum clock, but his methods were scorned for hundreds of years—until someone proved him right.

Due to this “time base generator,” clocks are connected to an irreversible process, meaning that they add entropy to the universe. In the case of a grandfather clock, for example, the pendulum ...

Designed 300 years ago but completed only now, this chronometer officially became “the most accurate mechanical clock with a pendulum swinging in free air”, certified by Guinness World Records.

38 years in Sarasota. The Clock Gallery started in Osprey, after a study said U.S. 41 would be where all the development and commerce would occur.

John Harrison, one of the world’s greatest clockmakers, claimed to have designed the perfect pendulum clock in the mid-18th century. Instead of being celebrated, Harrison’s plans were ...

Clocks in Galileo’s era told time only to the nearest quarter hour and allowed only crude rate regulation. The pendulum-regulated clock, first conceived by Galileo and then realized by Christian ...

While the clock's face might be challenging to read, and some components needed adjustments along the way, the final product is impressive and offers a fantastic prototype for future exploration.

LONDON, ENGLAND - Duncan Clements of Pendulum of Mayfair antique clock specialists carries out the ... More summertime adjustment of the clocks in the display rooms on April 01, 2019 in London ...