Greatest period of sundial innovation happened in Ancient Greece.
The most complicated water clock was made by famous Chinese inventor Su Sung in 11th century BC.
Creation of first modern mechanical clock is attributed to German locksmith Peter Henlein (1510).
Quartz crystals are used in majority of world’s clocks, because it can produce pulse that is exactly 1 second long.
Pendulum clock designs can be finds in the works of Leonardo Da Vinci.
First alarm clock based on water was created by famous Greek philosopher and inventor Plato.
The longest continuous clockmaker in USA is company “Seth Thomas Clocks” which opened its doors in 1813.
Playwright Platus from Ancient Rome complained in one of its plays about sundials that “chop his life into pieces”.
First clocks were created to regulate religious prayers, but standardization of time keeping and clock production came with the arrival of train networks in 18th and 19th century.