I have an unusual 88-note player piano roll that is 15.25" wide made
by QRS. Were these made for one particular brand piano or were there
several players? I'm guessing this size preceded the common 11.25" roll.

Alan Fox

 [ Melville Clark Piano Company built pianos with several different
 [ player systems, including rolls 15.25" wide punched at 9 holes per inch.
 [ See https://www.mmdigest.com/Gallery/MMMedia/QRS/Apollo  -- Robbie