L.V.R.R. Niagara / Tifft Jct. Panel - a GRS Type-B Interlocking panel from Niagara Tower.
This controlled two interlockings - Niagara Jct. and Tifft Jct., outside Buffalo.
Built for the Lehigh Valley Railroad, early 50's.

Panel is restored and operating - using two multitrax microcontrollers.
Operation allows switch and signal controls, route locking, and train movements thru interlockings.
From the best of my reseach and knowledge, it operates just as though it was inside the tower.
Speaking of tower....

As pictured in GRS's "Elements of Railway Signaling" 50th Anniversary book:

I have a Western Electric 100F speaker which I will be installing on top of the panel.
All I need is the telephone and desk (and a dispatcher :-) to recreate this scene.
And a pocketwatch, which is hanging in the center of the panel.