{"product_id":"the-diagram-harmonic-geometry","title":"The Diagram: Harmonic Geometry","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.","brand":"Red Wheel\/Weiser LLC","offers":[{"title":"Default Title","offer_id":50861739639069,"sku":"9781952178290","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0965\/9701\/6861\/files\/9781952178290w.jpg?v=1769129183","url":"https:\/\/spiritualesscentials.com\/products\/the-diagram-harmonic-geometry","provider":"Center for the New Age","version":"1.0","type":"link"}