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
Coolidge Homestead in an alcove and see the lamp, Bible, and table that were used in the ceremony, all placed in their historic positions. The Homestead District includes: The district was declared a National Historic Landmark in 1965. Today, the Coolidge Homestead is part of the Calvin Coolidge State Historical Site overseen by the state of Vermont. As far as possible the buildings have been returned to the conditions they were in when Coolidge was president. A simple video and picture display of his life is shown in the barn. The rooms in Coolidge Hall that he used as a Summer White