{"product_id":"r-g-letourneau-heavy-equipment-photo-gallery-1","title":"R.G. Letourneau Heavy Equipment Photo Gallery","description":"Robert Gilmour LeTourneau, the inventor of earthmoving machines, secured \nnearly 300 patents over the course of his life. During World War II, \nabout 70 percent of the earthmovers and engineering vehicles were his \nmachines that were invaluable to the Allied war effort. With outstanding \nphotography, this overview of 90-years-plus of manufacturing features \nthe company's earliest earthmoving equipment introductions in 1921, all \nthe way up to today's ultra-large mining equipment introductions. This \ncompanion book to the three previous publications - R.G. LeTourneau \nHeavy Equipment: The Mechanical Drive Era 1921-1953, R.G. LeTourneau \nHeavy Equipment Photo Gallery: The Electric-Drive Era (1953-1970), and \nModern LeTourneau Earthmoving Equipment since 1968 - includes updated \ninformation and all new images of the LeTourneau enterprise.","brand":"Enthusiast Books","offers":[{"title":"Default Title","offer_id":39541283225671,"sku":"9781583883174#9947","price":33.96,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0057\/9813\/3831\/products\/9947_0021c0bd-bc2f-423b-a233-4a35f62d2a68.jpg?v=1638345396","url":"https:\/\/www.midlifeclassiccars.com\/cs\/products\/r-g-letourneau-heavy-equipment-photo-gallery-1","provider":"MidlifeClassicCars.com","version":"1.0","type":"link"}