TIMEKEEPING DEVICES

Main

Sun Clock 3500 B.C.

3500 B.C.

Water Clock 1400 B.C.

1400 B.C.

0

0 AD

Sand Clock 300 AD

300 AD

Candle Clock 885

885

Mechanical Clock 1386

1386

Pendulum Clock 1656

1656

Wristwatch 1868

1868

Atomic Clock 1949

1949