Piano Hammer Action Store Display Demonstrator by Wessell, Nickel, and Gross

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c. 1910s; Wessell, Nickel & Gross - New York

Wall-mounted piano hammer action demonstrator constructed as a mechanical teaching and … Read more c. 1910s; Wessell, Nickel & Gross - New York

Wall-mounted piano hammer action demonstrator constructed as a mechanical teaching and sales display, designed to illustrate the internal movement and interaction of a piano's action assembly. Mounted on a painted wooden backboard with an integrated base, the display features a fully articulated arrangement of wooden levers, felted hammers, dampers, and springs, all scaled and positioned to replicate real piano mechanics. The action operates smoothly when engaged, allowing viewers to observe how key motion translates into hammer strike and damper lift. Original felt components, wood elements, and metal fittings remain intact, giving the piece both instructional clarity and visual depth.

A brass maker's plaque at the upper right identifies Wessell, Nickel & Gross of New York, one of the most important American manufacturers of piano actions and components. Founded in the late 19th century, Wessell, Nickel & Gross supplied high-quality actions to major piano makers worldwide and were widely regarded for their precision engineering before later becoming part of the Aeolian piano conglomerate. See less