Janko keyboard

noun Jan·ko keyboard \ˈyäŋ(ˌ)kō-\

Definition of Janko keyboard

  1. :  a pianoforte keyboard invented in 1882 consisting of six rows of keys with three digitals to each note, those of each row being as whole-step intervals

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Origin and Etymology of janko keyboard

after Paul von Jankó †1919 Hungarian pianist


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