Illustration showing Christiaan Huygens's CYCLOIDAL

Illustration showing Christiaan Huygens's CYCLOIDAL PENDULUM. Rod of flexible metal with bob, P, which describes cycloidal arc. Rod suspended between two solid cheeks in the form of cycloidal arcs at tangent to starting point. As rod oscillates, it bends and rests on each arc by turn, so diminishing length of pendulum depending on oscillation. From Amedee Guillemin Les Applications de la Physique, Paris, 1874

Amedee Applications Arcs Bends Cheeks Christiaan Depending Describes Diminishing Flexible Guillemin Huygens Pendulum Physique Rests Solid Starting Suspended Tangent

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