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Picker-lever mechanism

Patent drawing showing a rectangular attachment frame mounted diagonally over the strings of a cithern, with labeled side strips, cross-bars, a hand crank, feed wheels, and rows of picker-levers extending down between the strings, alongside detail views of the perforated music sheet and lever mechanism.

SELF PLAYING STRINGED MUSICAL INSTRUMENTJoseph Panholzer · May 28, 1901

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