Rolling Ball Technology
An Online Technical Reference Devoted to
Rolling Ball Sculptures, Clocks, and other Devices
By Members of the rolling-ball@lemur.com List
Edited, and with material by David M. MacMillan
An idiophone is any musical instrument which produces its sound by percussive striking. Drums, bells, cymbals, woodblocks, and xylophones are all idiophones.
Rhoads
Rhoads
In his Book of Knowledge of Ingenious Mechanical Devices, 1206 A.D., Ibn al-Razzaz al-Jazari describes two water-clocks which employ rolling balls to sound cymbals, and a third which might do the same. These devices are described in the chapters on Anthro- and Zoomorphic Figures Ejectors, Releases, and Distributors in the present work.
Rhoads
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Version
2.2, 1998/06/20.
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