Description: How do you divide a line into three? Or five? Or seven? Is there a simple way to marry harmony and geometry? What is the secret diagram alluded to by writers of antiquity?
In this groundbreaking book, philosopher Adam Tetlow reveals the long-lost Helicon, the master diagram of the ancient arts and crafts. Watch in astonishment as this magical geometric figure produces simple fractions, musical harmonies, Pythagorean triangles, perspective, and more.Brief description: Adam Tetlow is an artist and writer. A teacher at the world-renowned Prince's School for Traditional Arts in London, he lives in Essex with his architect wife and three children.