Analysis of information sources in references of the Wikipedia article "Chord organ" in English language version.
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: CS1 maint: others (link) Or, His later inventions included ... the chord organ (1950), on which chords are produced simply by touching a panel button.
It has a rather unusual (for a combo organ) "Chords" feature. When activated, pressing any key in the first two octaves plays a chord (1st octave: Major, 2nd octave: Minor). The chord continues to sound after key release until you press another "chord" key.(For details, see image)
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