Toth Clock

Clock was invented

Apr 18, 1300

clock was made on paper http://www.mce.k12tn.net/renaissance/inventions.htm

Clock first advancement

Apr 18, 1581

Galileo discovered the pendulum in 1581 http://www.mce.k12tn.net/renaissance/inventions.htm

Clocks second advancment

Apr 18, 1600

metallic gear(toothed wheel) and the use of the screw in assembling the clocks were first used. http://www.mce.k12tn.net/renaissance/inventions.htm

Digital Clock today

Apr 18, 2013

digital clocks today are used to tell time http://www.mce.k12tn.net/renaissance/inventions.htm