SS Delphine is a yacht commissioned by Horace Dodge, co-founder of Dodge Brothers. The yacht was launched on 2 April 1921, and spans 258 feet (79 m). Power comes from three Babcock and Wilcox boilers which power two 1,500 horsepower (1,100 kW) quadruple expansion engines. "Of all the large American-built steam yachts built between 1893 and 1930, the Delphine is the only one left in her original condition with her original steam engines still in service."[
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