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愛迪生的失敗作品

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Photo of Edison Sitting at the Door of the Ore-milling Plant; Ogdensburg, NJ, 1895.

坐在新澤西州礦砂工廠門口的愛迪生 ,1895年

出處: "Edison Sitting on the grounds of the New Jersey and Pennsylvania Concentrating Works; Ogden, NJ; 1895." 1895. Courtesy of the U.S. Department of the Interior, National Park Service, Edison National Historic Site.