Apollo-x & Art-apollo Service Manual & Tubing Schematic Player

Rare long out of print elegant reprint.  Added a reprint of a tubing schematic recently found as well as a great copy of an original reulation card found in one of the pianos. The Melville Clark Apollo-X and Art-Apollo player piano that use special QRS "RED X" rolls. New old stock. 3 1/2"  x 6" 18 pages with fold out diagrams & single sheet tubing diagram of expression system plus card stock printed regulation spec sheet. Single sheet tubing schematic for the expression system.