The Talking Machine Patent Archive

Patents you could hear

Wilcox & white

Cutaway side-view engineering drawing of an upright piano-player cabinet showing the adjustable finger mechanism, guide rods, standards, tracker bar, bellows chest, and pedal-driven pump linkage inside the case.AUTOMATIC PIANO-PLAYERFrank C. White · April 8, 1902Patent drawing of a player-piano cabinet's internal pneumatic mechanism, showing tracker board, choker valve boxes, operating pneumatics, and pedal-actuating rods, with detail insets of the choker valve and control lever assembly.ACCENTUATION MECHANISM FOR AUTOPNEUMATIC MUSIC-PLAYING INSTRUMENTS.Nelson D. Hosley and Stillwell R. Harcourt · August 18, 1903