Normal view
MARC view
Graff, Frederick, 1774-1847 (Personal Name)
Philadelphia (Pa.). Councils. Watering Committee. Annual report, 1837 p. 39 (Frederick Graff, superintendent of the Fair Mount Water Works)
Biog. enc. of Pennsylvania of the 19th-cent., 1874 (Graff, Frederick, builder of Fairmount Water Works; b. 1774; d. 1847)
DAB (Graff, Frederick; engineer; designed and was superintendent of Fairmount Water Works; b. at Philadelphia, son of Jacob Graff, 8/27/1774; d. 4/13/1847)