A Division of the Octave
Elwood S. Roeder · The Journal of the Acoustical Society of America · 1947
A low frequency as generator for the frequencies which divide the octave. 2. The three geometric progressions on which the frequencies are generated. 3. The twelve tones with their twelve intonations. 4. The divided octave as the background against which scales and chords are plotted. 5. The possible non-musical applications of this division of the octave.