{"product_id":"agricultural-tractor-1855-1950","title":"The Agricultural Tractor 1855-1950","description":"R. B. Grays history of the development of the farm tractor in the United States is a modern classic with over 40,000 copies sold. It is heavily illustrated with 300 photos and drawings of steam, kerosene, gasoline, and diesel-powered tractors. Also find excellent specifications of early tractors, including component drawings of many mechanical features and interesting company histories.","brand":"American Society of Agricultural Engineers","offers":[{"title":"Default Title","offer_id":39783899332678,"sku":"2321366","price":7.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1232\/9510\/products\/2321366.jpg?v=1643699565","url":"https:\/\/ym-demo.myshopify.com\/products\/agricultural-tractor-1855-1950","provider":"Yesterday's Muse","version":"1.0","type":"link"}