1. Originally, named Horologium Oscillitorium, or “pendulum clock,” the Constellation honors Christiaan Huygen’s invention of the pendulum clock

2. Harrison completed his first pendulum clock in 17 before he was twenty years old.

3. The Conical pendulum clock: regular asides author Colin Ledsome CEng FIED lets his thoughts swing in the direction of the remarkable Conical pendulum clock "The real advantages of the FastFerment Conical fermenter is that it allows users to brew in one vessel without having to transfer liquids.

4. Most people think of this London landmark as Big Ben, but Big Ben is actually the name of the largest bell inside this pendulum clock.