The classic design of a mechanical clock generally consists of a display, a way to store energy, a way to release that energy at regular intervals, and a mechanism to transmit it where it needs to go.

The complicated 18th-century pendulum clock was in a blackened state of disrepair and deemed unfixable by Sotheby’s auction house. Known as the Pendule Sympathique, it was a showcase of the legendary ...

Nigel Barnes, a fifth-generation horologist, acknowledges that it is a “tall order” to learn to fix a clock in two days. But some manage it, he said. Nigel Barnes working with Seán Martin, who had ...

London families with antique clocks could face fewer qualified repairers as Britain’s endangered clockmaking trade struggles to train new specialists.

In a way, Philip D’Avanza is a time traveler. He repairs clocks — concentrating on the enormous timepieces nestled high up in places of worship and public buildings like Newton’s City Hall, where many ...

More than 130 years after its installation atop the Cambridge City Hall, a mechanical tower clock — wound by hand each week — continues to chime. Crimson photographers followed David W. Graf, the ...

VINTON — Inside the clock tower of the Benton County Courthouse is a framed set of maintenance instructions that were rendered obsolete for decades. For nearly 50 years, it was a reference point on ...