This elaborate action with sostenuto pedal and soft pedal compensator is by an unknown maker. Upright action model with sostenuto Upright action model with sostenuto, slow Close up of sostenuto mechanism Close up of sostenuto mechanism, slow Compensator close up Compensator close up, slow Upright action model with sostenuto and compensator (maker unknown) Upright action model with sostenuto and compensator Upright action model with sostenuto and compensator – close up of back Upright action model with sostenuto and compensator – close up Upright action model with sostenuto and compensator – close up Upright action model with sostenuto and compensator – close up Previous ItemMuseum HomeNext Item