Second Bank of Pennsylvania, South Second Street, Philadelphia
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Dobson’s Mill, 1884, from History of Philadelphia by Scharf & Wescott
Bank of Pennsylvania, South Second Street, Philadelphia
Second Street North from Market St. with Christ Church, Philadelphia
Philadelphia the Manufacturing and Industrial Capital map, 1906
McConnell Germ-Proof Filters ad
Front St. and Market St., 1881
Charles Spencer & Co., Leicester Knitting Mills, Germantown, Philadelphia
Henry Disston & Sons Keystone Saw Works