Updated through online information from Timothy E. Conyers. -- The original pump handle mechanism is still in place and located on the left side of the case near the rear. It may still function as there is no visible electrical switch anywhere on the keydesk. The pipe facade stenciling is not original and was done by Goulding & Wood when the instrument was moved.
According to the article in the 2007 Organ Atlas, the organ was relocated from its original home in Indianapolis without changes by Goulding & Wood in 1999. The original hand-pumping mechanism was retained.