You’ve doubtless seen those ubiquitous clock modules ... get the drive gear to move in reverse, but it isn’t always reliable. Of course, you could also replace the drive mechanism with ...

But, finding that perfect vintage clock for restoration can be a bit tricky. A crowd favorite is to choose something with intricate mechanisms and gears — the motion of a mechanical display is ...

The Antikythera mechanism was similar in size to a mantel clock, and bits of wood found ... it modeled epicycles with trains of small gears riding around larger ones. Though some experts have ...