What_is_Alchemy_but_the_Music_of_the_Spheres_an_Octave_Science

http://www.infobarrel.com/What_is_Alchemy_but_the_Music_of_the_Spheres_an_Octave_Science

This article is about Alchemy and the theory of octaves.  It shows a brief history of Alchemy from Greece, and the idea of the music of the spheres.