
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

Jan 2023, controlling 6 MTH PCCs on 1 loop, seen in Video #835
(work) (v831 links)