Updated through online information from Connor Annable.
Identified through information adapted from E. M. Skinner/Aeolian-Skinner Opus List, by Sand Lawn and Allen Kinzey (Organ Historical Society, 1997), and included here through the kind permission of Sand Lawn:
Addition of Celestial and Celestial Pedal divisions in dome to existing Skinner Organ.
Celestial chamber in Dome: Photo collection of Charles Callahan via Steven E. Lawson. Taken on 1930-11-11