Author: STANDARD PNEUMATIC ACTION
Description: #1  The Operation of the Standert Reproducing GrandAaction.
                          #2  The Operation of the SX Reproducing Grand Action.
                          #3  The Operation of the EX Combination Foot-Power and Electric    
                                 Reproducing Action and the WX Straight Electric Reproducing Action
                                 for Upright Pianos.
Printing year: March 10,1917
Pages: 90
Pdf Zip size: 538.4MB