William Cramp and Sons

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William Cramp & Sons Ship & Engine Building Company, in Philadelphia, Pennsylvania, circa World War II
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William Cramp & Sons Ship & Engine Building Company, in Philadelphia, Pennsylvania, circa World War II

William Cramp & Sons Shipbuilding Company of Philadelphia was founded in 1825 by William Cramp, and was the preeminent U.S. iron shipbuilder in the 19th century. The American Ship & Commerce Corporation bought the yard in 1919 but closed it in 1927 as many fewer ships were ordered by the U.S. Navy after passage of the Naval Limitations Treaty in 1923. In 1940, the Navy spent $22 million to reopen the yard to build crusiers and submarines. Cramps closed in 1947, and the site, on the Delaware River, became an industrial park. In the photo,the yard began just above Philadelphia Electric's bellowing smokestacks (at bottom), and extended to the curving Reading Railroad tracks (at top).

Notable projects

USS Indiana Battleship No. 1 of the United States Navy, launched 28 February 1893. On 8 December 1942, the keel to the Cleveland Class light cruiser, designated CL-91, was laid down by the Cramp Shipbuilding Company of Philadelphia, PA. On 22 April 1943, Oklahomans were outraged, having just learned that the Japanese had executed the captured American flyers from Jimmy Doolittle's bombing raid over Tokyo. That same day, booths were set up in Oklahoma City with the a goal to sell $40 million in War Bonds to fund the construction of a cruiser. That gold was topped by $5 million when the booths closed that night. CL-91 now became the U.S.S. Oklahoma City. The last ship bult was the cruiser USS Galveston, launched in May 1946.