Identified through online information from Stephen Rose. -- Updated by Stephen Rose, who has heard or played the organ.
Tonal revisions included the replacement of original pedal rank with a unified electric chest providing 16'-8'-4' stops. Unknown if Mixture and Super Octave were also changed by Delaware Organ Co at the same time. There is also an empty toe board on the Great slider chest from an unknown previous rank from tenor C. Facade pipes were discarded several decades ago.