A Theosophical classic describing a series of experiments that can be used to create an abstract visual record or various thoughts and feelings, such as using a pendulum to trace patterns in sand, and using a vibrating plate and a tuning fork, among other experiments.
"Sinopsis" puede pertenecer a otra edición de este libro.
A Theosophical classic describing a series of experiments that can be used to create an abstract visual record or various thoughts and feelings, such as using a pendulum to trace patterns in sand, and using a vibrating plate and a tuning fork, among other experiments.
"Sobre este título" puede pertenecer a otra edición de este libro.