Let's get started by taking a look at the different parts of a pendulum clock.
The technology behind a pendulum clock has been around for centuries.
The pendulum clock is too covered with snow to read, but still working.
He gestured at the pendulum clock set on the wall.
For example, a pendulum clock moved from sea level to 4000 feet will lose 16 seconds per day.
A way to display the time In a pendulum clock, the hands and face serve this role.
The big disadvantage of the pendulum clock was its size.
From the year 1656 until the 1930s, the pendulum clock was the world's most accurate way of keeping time.
Attempts had been made on land using pendulum clocks, with some success.
He pointed at the antique pendulum clock on the side wall.