Alchemy & Sacred Geometry

The basics of Pythagorean acoustics and geometry are at the end of the second chapter of Arturo Reghini’s “ Sacred numbers in masonic Pythagorean Tradition”.

In chapter two of Pythagorean Tetraktys by Arturo Reghini we are discovering how number six is Aphrodite’s and why, four, six, eight  and nine are perfect numbers.

Pythagorean Tetraktys and Masonic Delta by Arturo Reghini: The poetic formula of the Pythagorean oath has been transmitted by various authors, but its most ordinary and exact form is the following:

Pythagorean Tetraktys and Masonic Delta by Arturo Reghini: “Every whole, or sum of four things, is called Tetractys, after a Pythagorean word, and there are several Tetractys.

Pythagorean Tetraktys and Masonic Delta by Arturo Reghini: Unlike number three, number four also admits a geometric representation of space. Specifically, conducting the perpendicular to the plane of an equilateral triangle to its center, there is a point on it that has the three vertices of the triangle equal distance to the side.