 
		 
		 
		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
 
		Frankford Creek: Sad History of an Urban Stream title page
 
		Centennial Exhibition situation plan, 1876
 
		Outhouse over the Schuylkill near Pottstown
 
		Duplex Pumping Engine, Belmont Works
 
		Fairmount Water Works, about 1860
 
		Engine House, Belmont Works
