Are you a collector or handyman interested in piano restoration? Learn all about The Pratt Read Player Action (Single Valve Style 32) with our expert guide. Written by The Pratt Read Player Action Company, this 25-page manual explains the mechanism and regulation of single valve models and the differences between models A, AA, F, and H. It also covers unique features in the bellows of styles A, F, and H. Download this 209.6 MB PDF zip and improve your restoration skills. Find more guidebooks and charts in our PDF-download store at piano-builder.