- Bowed clavier
The bowed clavier (Bogenclavier in German) is a
keyboard instrument strung withgut strings , the tone of which is produced by a steadily revolving well rosined cylinder (powered by a foot pedal), a mechanism not dissimilar to that found in thehurdy-gurdy [ [http://www.dolmetsch.com/defsb3.htm Dolmetsch Online] ]It was invented by Joh. Hohlfeld of
Berlin in 1751. This instrument and another one of his inventions, a device that records keyboard improvisations in real-time, were mentioned in the "Essay on the True Art of Playing Keyboard Instruments " byC. P. E. Bach .References
[http://www.amazon.com/dp/0393097161 "Essay on the True Art of Playing Keyboard Instruments", Section Two, W. W. Norton & Company (November 1948), ISBN 0393097161]
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