I have a custom-built A-roll player unit capable of running a 61-note instrument that I would like to sell. The player unit was used aboard an excursion boat in West Virginia to play a 32-note, air-operated calliope. I was advised by a friend to list it on this site. The player unit was located in the pilothouse. Inside the player unit were pneumatics that operated microswitches which were connected to electric valves on the calliope. I have included some pictures below. Sincerely, Matt Dow Lake George, New York [ the back of the cabinet [ http://www.mmdigest.com/Attachments/15/08/16/150816_102419_IMG_0541.JPG [ the front of the cabinet [ http://www.mmdigest.com/Attachments/15/08/16/150816_102419_IMG_0546.JPG [ a closer look at the inner workings [ http://www.mmdigest.com/Attachments/15/08/16/150816_102419_IMG_0543.JPG [ a closer look at the inner workings [ http://www.mmdigest.com/Attachments/15/08/16/150816_102419_IMG_0556.JPG