The Advancement of Clocks

By Stefanie Hazlewood
8.1 Maths - Mr Helsdon

Main

Sundial

742 BC

Hourglass

330 AD

Candle Clock

885 AD

Watch

1510 AD

Pendulum Controlled Clock

1657 AD

Electric Clock

1840 AD

Quartz Crystal Clock

1937 AD

Atomic Clock

1955 AD