{"product_id":"the-heroic-age-of-american-invention-l-sprague-de-camp-1961","title":"The Heroic Age of American Invention","description":"\u003cp\u003eL. Sprague de Camp's history of the era, from the 1830s to World War I, when individual inventors working mostly on their own changed American life. Told through the careers of 32 men, it covers Robert L. Stevens and railroading, George Westinghouse, Samuel Morse and the telegraph, Samuel Colt, Cyrus Hall McCormick and farm machinery, John Ericsson and the modern warship, Christopher Latham Sholes and the typewriter, Alexander Graham Bell, Thomas Edison, the Wright brothers, Lee de Forest and the radio, and others.\u003c\/p\u003e\u003cp\u003eThis copy is the 1961 Doubleday hardcover with dust jacket.\u003c\/p\u003e","brand":"L. Sprague de Camp","offers":[{"title":"Default Title","offer_id":45289307341050,"sku":"ZA4\/24\/10232026","price":7.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0635\/3387\/5450\/files\/IMG_8115_6ce18339-1919-4f21-813f-4efbc33fd56e.jpg?v=1709656907","url":"https:\/\/flippedpages.com\/products\/the-heroic-age-of-american-invention-l-sprague-de-camp-1961","provider":"Flipped Pages","version":"1.0","type":"link"}