{"product_id":"vintage-the-operation-care-and-repair-of-farm-machinery-by-john-deere","title":"Vintage The Operation, Care, and Repair of Farm Machinery by John Deere","description":"Published by John Deere in this eighteenth edition with no publication date but it must have been the early 1940's or late 1930's. There are a lot of useful tips in this book, like how to measure ear corn in a corn crib when all you know is the volume of the corn crib. The number of tons of hay in a hay mow. To find the width of a 4-ply belt required to transmit a given horsepower at a given belt speed per minute. Where else can you find information as vital as this to run your farm? Perfect collectible book for anyone interested in farm machinery.","brand":"Dog Eared Books","offers":[{"title":"Default Title","offer_id":46478653390895,"sku":null,"price":40.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0785\/3005\/2143\/files\/blob_09c9b4e2-5cc9-48c5-8d96-ef4f2b024b0d.jpg?v=1791155524","url":"https:\/\/dogearedbooks.us\/products\/vintage-the-operation-care-and-repair-of-farm-machinery-by-john-deere","provider":"Dog Eared Books","version":"1.0","type":"link"}