We were pleasantly surprised by the Le’raze Grandfather Wall Clock’s elegant appearance and modern components. The clock’s quartz movement kept time accurately, and the pendulum added a nice ...

In keeping time, pendulum can’t keep up with quartz March 2, 2010 at 3:46 a.m. by MARSHALL BRAIN MCCLATCHY NEWSPAPERS ...

THE most accurate timekeepers of to - day are divided into two classes, depending on whether the restoring force of the oscillator is gravity, as in pendulum clocks, or elasticity, as in quartz ...

A pendulum swing, say, or a 'Mississippi' just about equates to a second, the unit of timekeeping that as we know comprises minutes and hours. But even the best mechanical pendulums and quartz ...