{"product_id":"harmonograph","title":"Harmonograph","description":"\u003cp\u003eWhy 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?\u003c\/p\u003e\n\u003cp\u003eIn 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.\u003c\/p\u003e","brand":"Wooden Books","offers":[{"title":"Default Title","offer_id":54504733966646,"sku":"9781952178047","price":8.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0745\/2301\/7526\/files\/imageloader_e705f526-6eca-46ee-9b52-0c9441dc6314.jpg?v=1788457553","url":"https:\/\/www.summerbeambooks.com\/products\/harmonograph","provider":"Summer Beam Books","version":"1.0","type":"link"}