Patent Model - Pianoforte-Action

Maker and role
Daniel Shirley, Patentee
Production date
Nov 28 1854
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Object detail

Wood, metal, ivory
8 x 12 x 3" (20.3 x 30.5 x 7.6cm)
In Shirley's improved pianoforte action "the jack commonly used in pianoforte actions is dispensed with and the devices used for lifting the hammer are so arranged and actuated as to keep the weight of the hammer always upon the key lever rendering the hammer sensible to the slightest touch upon the key in whatsoever position it may be when the blow is given." (Patent Number 12,003)
Object number
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