Edgar Allan Poe wrote The Pit and the Pendulum.
Ralph Lowe has written: 'The passionate pendulum'
Marion Meisel has written: 'As the pendulum swings'
Cora G. Sadler has written: 'The pendulum'
Feodosy Mikhailovich Fedchenko has written: 'Astronomical clock with an electromagnetically driven pendulum' 'Astronomical clock AchF-1 with isochronous pendulum'
Compound pendulum is a physical pendulum whereas a simple pendulum is ideal pendulum. The difference is that in simple pendulum centre of mass and centre of oscillation are at the same distance.
George Washington Felts has written: 'The pensive pendulum'
A shorter pendulum has a shorter period. A longer pendulum has a longer period.
The longer the length of the pendulum, the longer the time taken for the pendulum to complete 1 oscillation.
Norman Frederick Simpson has written: 'One way pendulum'
bifilar pendulum
maybe it is a pendulum