e/Generalized keyboard

Information
has gloss	eng: Generalized keyboards are musical keyboards with regular, tile-like arrangements usually with rectangular or hexagonal keys, and were developed for performing music in different tunings. They were introduced by Robert Bosanquet in the 1870s, and since the 1960s Erv Wilson has developed new methods of using and implementing them, proposing keyboard layouts and notations for a wide variety of octave-division tuning systems.
lexicalization	eng: generalized keyboard
instance of	(noun) a musical instrument that is played by means of a keyboard keyboard instrument

Media
media:img	Basicgeneralizedkeyboard.gif
media:img	PianoKeyboard.svg
media:img	Stonebos.gif