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
First inauguration of Calvin Coolidge of it in 1932. When Hoehling confirmed Daugherty's story, he indicated that Daugherty, then serving as United States Attorney General, asked him to administer the oath at the Willard Hotel. According to Hoehling, he did not question Daugherty's reason for requesting a second oath-taking, but assumed it was to resolve any doubt about whether the first swearing-in was valid, since it had been administered by a state official. First inauguration of Calvin Coolidge The first inauguration of Calvin Coolidge as the 30th President of the United States was held on Friday, August 3, 1923 at the Coolidge Homestead in Plymouth