Square Piano
Johann Christoph Jaeckel and Christian Jaeckel
Not on view
On the makers' label beneath the soundboard, this square is called a Bandlony or "pantaleon," the name given earlier to a large hammer dulcimer popularized by the virtuoso, Pantaleon Hebenstreit. Hand stops below the 61 key (FF–f3), five octave keyboard control devices that modify the tone to imitate Hebenstreit's versatile dulcimer. The stops affect bass and treble strings separately, allowing tonal contrast between left and right hands. The case exterior is veneered with oak: wood-grained paper lines the interior. Four tapered legs. The key levers are carved like many German clavichord keys, and a compartment for equipment to the left of the ebony and bone-covered keys is also a feature of clavichord construction. This particular design was unique to the Jaeckel family in the Rhineland-Palatinate. Internally, the instrument has a Prellmechanik action without escapement.
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