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in subjects: "pianoforte"  
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Piano

Description: Patent for an invention related to instruments with sounding-boards, particularly upright pianos, that allows for volume control.
Date: April 12, 1910
Creator: Norcross, Levi Watson
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Piano-Action

Description: Patent for a "piano-action," which is used to control the rebound of the hammer and also includes a back stop, back check, bridle check and other supporting members.
Date: April 13, 1915
Creator: Mayor, Enoch A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Player Piano

Description: Patent for a new form of valve for mechanical piano operated by pneumatic mechanisms in which the value is self-centering and does away with the guide pin usually employed, and an amplification of the wippen so that the striker rod is placed at the front of the pneumatic mechanism where it is accessible. The change in leverage permits the use of a smaller pneumatic.
Date: January 31, 1922
Creator: Pace, Vara L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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