Discover the intricacies of your prized GULBRANSEN Player-Piano with the authoritative guide created by Gulbransen-Dickinson Co. Immerse yourself in the detailed description of the Upright player action, including essential components such as The Tempo Valve, The Re-roll, The Silencer, and the Automatic Sustaining Pedal. With in-depth explanations of The Expression Levers, this comprehensive 16-page manual, printed on January 10th, 1921, is an invaluable resource for both collectors and hands-on restorers. Download the 103.6MB PDF to ensure your player-piano operates flawlessly, supported by our expert maintenance services at piano-builder.