Instead, through a series of mechanisms that are designed to alter the pendulum’s swing as little as possible, it sends an electrical signal every 30 seconds and kicks the slave clock which is ...

grandfather clocks were known as longcase or tall case clocks. Although pendulum mechanisms had been used in clocks—a ...

OVERTON has given us a most useful and interesting volume, describing the gradual evolution of timepieces from the early water clocks, through the balance clock, down to the modern pendulum clocks ...

Adding a recharging mechanism was fairly straightforward ... A quick hall effect sensor to detect the pendulum passing made it into a proper clock. Considering it’s a printed plastic clock ...