Updated by Robert Zanca, who has heard or played the organ.
There are 8 mechanical combination pedals:
K [programmable; draw knobs turned 1/4 turn will be drawn, all others retired]
PL [draws plenum but does not retire any stops]
AB [retires all stops and couplers]
Updated through online information from Mike Maiden. -- The Buckman Memorial Organ The Buckman Memorial Organ was a gift of Mr. and Mrs. George H. Buckman and their daughter, Lorraine Buckman Brenton. BUILDER: Reiger Orgelbau, Schwarzach, Vorarlberg, Austria STYLE: Tracker style, purely mechanical connections between keys and pallets. The only electricity used is to power the blower. CONSOLE: Casework and bench made of selected oak. Three manual plus footpedals. The naturals are of ebony, and the sharps of ivory plated padouk.
Was Central Methodist.