“A Decidedly Mixed Drink,” April 6, 1899
Fairmount Gardens with the Schuylkill Bridge, 1839
Steam engine drawing, Frederick Graff Sr., 1815
Fair Mount Water Works engine house, 1819
Wooden Water Pipe, removed from Market Street, December 6, 1901
Bill for Privy Cleaning, 1869
Main Pumping Stations for Philadelphia Drinking Water
Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott
Hudson’s Square – A Place Through Time, Archeological Data Recovery on Block 2 of Independence Mall
Preparation for War to Defend Commerce