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
John Calvin Coolidge Sr. post office's annual report to the main office in Washington, DC. For nearly 40 years he was both a town constable and deputy sheriff of Windsor County. During the 1900 to 1902 governorship of William W. Stickney, who was related to the Coolidge family, John Coolidge served on his military staff as aide-de-camp with the rank of colonel. Coolidge served in the Vermont State Senate from 1910 to 1912. During his Senate term, Coolidge was chairman of the Committee on Land Taxes. Upon hearing of the death of President Warren G. Harding the previous day, Coolidge, who was a justice