 
		 
		 
		Queen Lane Pumping Station, proposed design
 
		Fairmount Water Works, W.H. Bartlett, 1839
 
		Centre Square Engine House, ca. 1807
 
		The Water Works in Centre Square, Philadelphia
 
		Fairmount Water Works, about 1860
 
		Philadelphia Water Department Fire Hydrant
 
		Commencement of laying the main on the East side of the River, 1871
 
		Showing the method of sinking the pipe on the bed of the river
 
		Fairmount Water Works, with “Nymph and Bittern” fountain and standpipe, 1875
