The Duo-Art Reproducing Piano Service Manual | Player Piano Repair Book
Player Piano Booklet - Ampico 1923 Inspectors Reference | Tubing Diagrams
Player Piano Tubing Chart - Ampico Grand Model A | Detailed Drawing/Blueprint
Player Piano Tubing Chart - Duo-Art Grand Piano 1925 | Blueprint / Tubing Diagram
Schulz Player Piano - Tuner's and Repairman's Manual for the Care and Adjustment of the M. Schulz Co. Player Piano Mechanism