That big grandfather clock in the library might be an impressive piece of mechanical ingenuity, and an even better example of fine cabinetry, but we’d expect that the accuracy of a pendulum ...

[Stephen Hobley] has been experimenting with an electromagnetic pendulum in order to build himself a clock. Through the course of his experiments, he has learned quite a bit about how pendulums ...

The grandiose addition to the library was made possible by a $400,000 donation by Lucille Caudill Little, and was unveiled on ...

through the balance clock, down to the modern pendulum clocks and chronometers. There are many illustrations, and the various methods of compensating for temperature are described in plain non ...

A watch differs from a clock In its having a vibrating wheel instead of a vibrating pendulum ; and, as in a clock, gravity is always pulling the pendulum down to the bottom of its arc, which is ...