-
The ancient Greeks developed many of the principles and forms of the sundial. -
This invention was created by Arquímedes of Siracusa -
This invetion was created by Gerberto de Aurillac -
This invention was created by You Jiangu -
The Mechanicla clock was built by Su Sung -
This clock was created by a monk named Liutprand. -
This invention was creted by Cristian Huygens -
The creator of Harrison Timpice was
John Harrison. -
This invention was createn by Alberto Prebisch -
The famous scientist Louis Essen invented the Atomic clock. -
The Digital clock was invented by Petar Ptrov.