Cristofori's piano action was a model for the many different approaches to piano actions that followed.
From the en.wikipedia.org
The switches are pneumatically operating valves which switch on the motive force used to play the piano action.
From the en.wikipedia.org
The numerous grand parts and upright parts of a piano action are generally hardwood, e.g., maple, beech, or hornbeam.
From the en.wikipedia.org
Unlike any other digital piano or synthesizer, the AvantGrand comes with a real-wood keyboard and intricate grand piano action.
From the suntimes.com
Of course, if you're used to a real piano, this kind of action can drive you a bit nutty.
From the techcrunch.com
Listen to the piano versions of Mount Etna and Tungurahua in action.
From the newscientist.com
Connection from pneumatic to action of piano.
From the en.wikipedia.org
Once the opening scene is over, the piano and music stands are hoisted to hang above the action.
From the morningstaronline.co.uk
The MIDI files can trigger electromagnetic devices called solenoids, which use electric current to drive small mechanical pistons mounted to the key action inside the piano.