Schiffer, Nancy N.Unknown
Schiffer Publishing Ltd. (Atglen, PA, 2006) (eng) English9780764323959UnknownUnknownFURNITURE--HISTORY--20TH CENTURY--CATALOGS; UnknownVibration is a mechanical phenomenon whereby oscillations occur about an equilibrium point. The word comes from Latin vibrationem. The oscillations may be periodic, such as the motion of a pendulum—or random, such as the movement of a tire on a gravel road.