Piano Hammer Action Store Display Demonstrator by Wessell, Nickel, and Gross grafica While this example likely dates

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

Brandt in Watertown

1910s - 1920s

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

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

Piano Hammer Action Store Display Demonstrator by Wessell, Nickel, and Gross grafica While this example likely datesc. 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