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
Calvin Coolidge strength". Mainstream scholars have ranked Coolidge as a below-average president. He is praised by advocates of smaller government and "laissez-faire", while supporters of an active central government generally view him less favorably, though most praise his stalwart support of racial equality. John Calvin Coolidge Jr. was born in Plymouth Notch, Windsor County, Vermont, on July 4, 1872, the only U.S. president to be born on Independence Day. He was the elder of the two children of John Calvin Coolidge Sr. (1845–1926) and Victoria Josephine Moor (1846–1885). Coolidge Senior engaged in many occupations and developed a statewide reputation as a prosperous