Published: October 4, 2011 | By thesonicsky
Tagged as: Erv Wilson,harmonic series,logarithms,Octaval Spiral
The Harmonic Series as an Octaval Spiral issued by Erv Wilson on March 1, 1965.
Published: August 11, 2011 | By thesonicsky
Tagged as: 31 tone,comprime grid,Erv Wilson,Hexany,Horogram,Pascal's Triangle,Scale Tree
A series of Erv Wilson diagrams including 31 Tone Hex Keyboard, The Scale Tree, Pascal’s Triangle, Horogram 22, Hexany, and the Coprime Grid
© 2011. The Sonic Sky.