Appraisal: French Pendulum Clock, ca. 1865, from Vintage Baltimore. Check out Gordon S Converse's appraisal of this French pendulum clock, ca. 1865, in Vintage Baltimore.

As a rule, Donald Saff doesn’t collect clocks he can’t see inside of. It’s the harmonic entanglement of gears—and the skill needed to craft them—that first lured him to horology, the study of ...

If a ticking clock is the heartbeat of a home, a little arrhythmia is not uncommon. Old clocks can be fussy, especially when moved from their longstanding positions or relocated to a different type of ...

Here’s how to build a pendulum-controlled clock which can be made really accurate. Retro? – yes, but an interesting project all the same. You’ll need a spare quartz clock which must be adapted by ...

You probably have seen a “swinger” clock but never guessed how it worked. Most are small metal statues standing on a base while holding a long baseball bat, pendulum or other long, thin rod that is ...

In the 17th century, Christiaan Huygens, inventor of the pendulum clock, noticed a curious phenomenon. When two identical pendulum clocks are mounted next to each other on a wall, their swings ...

A history of time Clocks are one of the oldest human inventions. Although the origins of the mechanical clock are not known, church records and early references to mechanical clocks indicate that such ...

The 350-year-old mystery of why pendulum clocks hanging from the same wall can influence each other and synchronize over time may hold even more secrets than previously thought, researchers say.