Fair Mount Water Works engine house, 1819
Centre Square Engine House, ca. 1807
Half a Century of Clean Water: The Clean Water Act, 1972-2022
Water, Water Everywhere – Philadelphia Record, 1937-03-14
Perkiomen Water Supply Surveys, 1866
Schuylkill River Hydrographical Survey 1861-66 by H. P. M. Birkinbine
Centennial Exhibition situation plan, 1876
‘Gillette, All By Himself, Gets Fine New Idea On Germ Slaying’
Outhouse over the Schuylkill near Pottstown
Northern Liberties and Spring Garden Water Works