{"product_id":"perpetual-motion-an-ancient-mystery-solved","title":"Perpetual Motion; An Ancient Mystery Solved?","description":"\u003cp\u003eA study of the life and work of Johann Bessler (aka Orffyreus)who claimed that he had perfected a Perpetual Motion machine in 1712.  The evidence for his claims is examined and proof of his sincerity is discussed.  The previously unknown existence of a coded message is revealed and described and the possible way in which the machine was constructed is examined.\u003c\/p\u003e","brand":"John Collins","offers":[{"title":"Paperback","offer_id":43997956440225,"sku":"9781411676367","price":52.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0462\/1120\/3233\/files\/19ym8j-front-shortedge-384.jpg?v=1747212426","url":"https:\/\/bookswholesale.myshopify.com\/products\/perpetual-motion-an-ancient-mystery-solved","provider":"BooksWholesale","version":"1.0","type":"link"}