Would you believe a pendulum clock that can keep time accurately to ... ticking accurately to within 0.03 parts per million, is no mean feat, and the Shortt clock was the first timekeeping device ...

The rear view reveals the escapement built from Lego Technic parts. The core of the clock is the escapement, a linkage which the pendulum can only turn in one direction. As the pendulum swings ...

A SHORTT free pendulum clock has recently been installed at the Science Museum, South Kensington, and is now at work controlling the main public dials of the Museum. The Shortt clock was perfected ...