Updated through online information from James R. Stettner. -- The added Choral division plays from the Swell manual only. The stops are non-expressive and sit atop a 3-stop, diatonic 'M' chest with ventil stop action.
Identified through online information from James R. Stettner. -- This was the addition of a left-side transept "Positiv" division of three ranks to the existing Kilgen/Balcom and Vaughan organ. The three added ranks are: 8' Flute d'Amour (61), 4' Principal (61), and 4' Aeoline (61).
Added Choral division with original Kilgen console: Photograph by James R. Stettner. Taken on 2021-08-16