{"product_id":"harmonograph","title":"Harmonograph","description":"Why did Pythagoras pause outside a Blacksmith's workshop? Can the nature of Harmony really be understood visually? Why do harmonies leave gaps or 'commas' when added together? \u003cp\u003e\u003c\/p\u003e In this charming pocket book, Anthony Ashton uses a Victorian device called a Harmonograph to tell the story of Harmony and the intervals in the scale. With useful appendices and exquisite line drawings this is a unique and original introduction to this magical subject.","brand":"Wooden Books","offers":[{"title":"Default Title","offer_id":45787748433967,"sku":"9781952178047","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0770\/2855\/6847\/files\/imageloader_8b2877fc-539a-4c75-9704-382454a41af2.jpg?v=1786149832","url":"https:\/\/tssbooks.com\/products\/harmonograph","provider":"tssbooks","version":"1.0","type":"link"}