base wheel assembly for rolling organ away from wall                                       four assembled base units

    floor frame construction details                                                                          total base frame housing blower, bellows, and pedal couplers

   two-manual windchest pallet (lower) surface                                                        toeboard wind channeling

   windchest soundboad (upper) surface and toeboard channeling                          toeboard holes burned and base frames

    metal pipes racked on toeboards                                                                         four wooden principal base octaves