30 Jan 1935 — Original caption: First of the gigantic hydroelectric generators for Boulder dam. The 19 student engineers representing 15 different universities at the Schenectady works of the general electric company, where the 82,500 KVA. unit was built, are shown atop the world’s largest”. Weighing two million pounds, the generator must be taken apart and shipped to Black Canyonj on 45 freight cars. — Image by © Bettmann/CORBIS