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American Swedish Historical Museum (Philadelphia, Pa.).
Extent: 16 linear feet
John Ericsson (1803-1889) was an inventor and engineer best known for designing the USS Monitor and innovating propeller-driven boats. The USS Monitor, an ironclad warship, contributed to the Union victory in the Civil War; one of Ericsson's other ships was the first propeller-driven steamer to cross the Atlantic. The American Swedish Historical Museum John Ericsson collection, 1838-1938, encompasses correspondence, financial records, plans and drawings, patents and contracts, scrapbooks, and photographs. It is an invaluable resource for the study of the Civil War, mechanical engineering, famous Swedes in America, and numerous other topics. (View full finding aid.)
Dale, Ida Dudley
Extent: 2 linear feet
Thomas Jefferson Griffin (1834-1867) was an engineer for the Union Navy during the Civil War, who helped build Ericsson's Monitor and witnessed its infamous battle with the Merrimac. He made approximately 80 voyages with Charles Gideon Dale, a Swedish American naval engineer born circa 1831. Griffin's granddaughter, Ida Dudley Dale, was a resident of Staten Island, New York. The Ida Dudley Dale family papers, circa 1860-1947, include research compiled by Ida Dudley Dale on her genealogy, especially her grandfather, Civil War naval engineer Thomas Jefferson Griffin and his associate Charles Gideon Dale. The collection features some primary materials associated with Griffin and Charles Dale. (View full finding aid.)