Here is an image of one of the drawings for patent 115782 which seems to be Bob Davis's mystery Steinway action. For better quality images and the patent text go to: http://164.195.100.11/netahtml/srchnum.htm and type in 115782. Regards, Phil Ford Graphics at: https://www.moypiano.com/ptg/files/attachments/ee/45/c8/1c/115782.jpg Alternate URL: http://tinyurl.com/3a96c
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