Pendulum - Wikipedia, the free encyclopedia
1 Period of oscillation 2 Compound pendulum 3 History 3.1 1602: Galileo's research 3.2 1656: The pendulum clock 3.3 1673: Huygens' Horologium Oscillatorium 3.4 1721: Temperature compensated pendulums 3.5 1851: Foucault pendulum 3.6 1930: Decline in use 4 ...