Sound & colour : their relations, analogies & harmonies (1869)
Macdonald, John Denis, 1826-1908, Royal College of Surgeons of England · London : Longmans, Green, Reader, and Dyer · leaf 24
that in music which all musicians admit to be the very ground work and basis of harmony. In favour of this combination, we have the most con- clusive natural indications in the harmonics of strings and membranes, the open notes of musical instruments of inflation, and indeed under any circumstances… … 2 4 6 7 Derivatives.
Music · Color · Hearing · Paintings
Internet Archive · Royal College of Surgeons of England · Public domain (published before 1931). Free to use for anything.