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, Arizona Coolidge, Arizona Coolidge is a city in Pinal County, Arizona, United States. According to the 2010 census, the city's population is 11,825. Coolidge is home of the Casa Grande Ruins National Monument. The monument was the first historic site to receive protected status by the United States Government in 1892. The ancient city was built about 1200 AD. by the Hohokam people. Coolidge is home to Central Arizona College. Coolidge was founded in 1925 and incorporated as a city in 1945. It is named for Calvin Coolidge, the 30th President of the United States. The town was home to a