Dec. 2001, the Largescale 4-Track “Zellner Yard”, seen in Video 9606.
July 2017, S-gauge Convention display, seen in Video 818-2/2
Feb. 2020, 7’9″ long x 6″ wide O-gauge display, automatically controls 2 MTH diesels running point-to-point, seen in Video 824B
(work)