Piano Hammer Action Store Display Demonstrator by Wessell, Nickel, and Gross grafica The sign measures 21"W x

The sign measures 21"W x 2"D x 4"H

While this example likely dates from later commemorative or repertory performances rather than the assassination-night itself

The graphic depicts a bearded workman in striped shirt and overalls giving a welcoming gesture

The chair's richly aged patina and traditional detailing evoke the warm

The first drawer offers the interior dimensions of 14"W x 9

Piano Hammer Action Store Display Demonstrator by Wessell, Nickel, and Gross grafica The sign measures 21"W xc. 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