SS President Coolidge Newport News, Virginia built the two ships, completing "President Hoover" in 1930. The keel for "President Coolidge" was laid 22 April 1930 and the ship was delivered 1 October 1931. They were the largest merchant ships built in the United States up to that time. Each ship had turbo-electric transmission, with a pair of steam turbo generators generating current that powered propulsion motors on the propeller shafts. Westinghouse built the turbo generators and propulsion motors for "President Coolidge" but General Electric built the turbo generators and propulsion motors for "President Hoover". In the "President Coolidge" twelve Babcock & Wilcox superheater
The Autobiography of Calvin Coolidge The Autobiography of Calvin Coolidge The Autobiography of Calvin Coolidge is an autobiography written by former United States President Calvin Coolidge. It was published in 1929, shortly after Coolidge left office. Coolidge's autobiography consisted of about 45,000 words, unusually short in comparison to the era's typical "long-winded" biographies and autobiographies. It was praised by Ray Long (editor of "Cosmopolitan" magazine) for describing the complete story of Coolidge's life and "the complete story of our country during the dramatic years of this generation." Coolidge was one of the first U.S. Presidents to write and publish an autobiography. Coolidge's autobiography covers all