22. Activity By N.e.r.e.a 3499 BCE Obelisk 2000 BCE Water clock 1500 BCE Sundial 70 Candle clock 1083 The mechanical clock The The mechanical clock was invented in 1088 an invented in china. The invented name is Su sung, the first mechanical clock used water it couldn't measureb minutes because in only had an hour hand 1088 Mechanicla clock 1300 Sandglass 1500 Harrison timepiece 1700 Pendulum clock 1956 Digital clock 1998 Atomic clock