Frederick Graff

Frederick Graff Frederick Graff (27 August 1775 – 13 April 1847) was an American hydraulic engineer who designed and built the Fairmount Water Works in Philadelphia, Pennsylvania, and unofficially invented the fire hydrant. Provided by Wikipedia
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Author: Walter, Thomas Ustick, 1804-1887.
Published 1883
Record Source: Published Materials
Contributors: '; ...Graff, Frederick, 1817-1890....
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