The greatest factor in appearance of any keyboard instrument is primarily the keyboard(s).  Many details were involved in upgrading these keyboards.  While the majority of the ivory is still old, many pieces were replaced with old salvaged ivory.  Every key was removed and the sides of the keys cleaned.  All ivory was buffed smooth, but some cupping remained giving the antique look  The sharps (bottoms) were blacked with india ink while the ebony tops were cleaned and buffed.  

Below the key new felts were installed.  While the keys were out, all new silver contacts were installed.  After installing the fresh new looking keys, all were releveled and the contact points adjusted.  The wood stop jambs and key slips were refinished and matched to the rest of the console.   New felt piping was installed surrounding all jambs, draw knobs,  and key slips.