XLVII. On a grand practical improvement in the harmony of musical instruments, by the introduction of the Rev. Henry Liston's patent Enharmonic Organ; with the names of the 60 distinct sounds which it produces in each octave, from 20 pipes, and their intervals calculated

John Farey
1811 The Philosophical Magazine  
doi:10.1080/14786441108563282 fatcat:wqctyyb35rcgtpv4te27lhyajq