{"product_id":"9780801847561","title":"Elmer Sperry : Inventor and Engineer (Johns Hopkins Studies in the History of Technology)","description":"\u003cp\u003eThis is a biography of a major American inventor. Elmer Sperry contributed greatly to the technological changes occurring between 1880 and 1930. Characteristic of his various inventions were feedback controls which have made automation a fact of life.\u003c\/p\u003e","brand":"Johns Hopkins University Press","offers":[{"title":"Default Title","offer_id":49102979530979,"sku":"00000_00000_00000_00000","price":43.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/3758\/6147\/files\/9780801847561-1.jpg?v=1788352928","url":"https:\/\/usa.kinokuniya.com\/products\/9780801847561","provider":"Books Kinokuniya USA","version":"1.0","type":"link"}