{"product_id":"9786136764788","title":"Agricultural Machinery","description":"Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Agricultural machinery is machinery used in the operation of an agricultural area or farm. With the coming of the Industrial Revolution and the development of more complicated machines, farming methods took a great leap forward. Instead of harvesting cereal|grain by hand with a sharp blade, wheeled machines cut a continuous swath. Instead of threshing the grain by beating it with sticks, threshing machines separated the seeds from the heads and stalks.","brand":"Chromo Publishing","offers":[{"title":"Default Title","offer_id":47054154432752,"sku":"9786136764788","price":65.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0737\/7593\/9824\/files\/9786136764788_p0.jpg?v=1763720594","url":"https:\/\/shop-qa.barnesandnoble.com\/products\/9786136764788","provider":"Barnes \u0026 Noble (DEV)","version":"1.0","type":"link"}