Fairmount Park topographical map, showing East Park Reservoir, 1872
Fairmount Water Works (Picturesque America)
Schuylkill Navigation lock at Fairmount (Picturesque America)
Queen Lane Pumping Station, proposed design
Main Pumping Stations for Philadelphia Drinking Water
Perkiomen Water Supply Surveys, 1866
Frankford Creek: Sad History of an Urban Stream title page
Centennial Exhibition situation plan, 1876
Outhouse over the Schuylkill near Pottstown
McConnell Germ-Proof Filters ad