 
		 
		 
		Plan and profile of proposed Delaware Seventh St. Sewer, 1850
 
		Second Bank of Pennsylvania, South Second Street, Philadelphia
 
		Wooden Water Pipe, removed from Market Street, December 6, 1901
 
		Delaware River at Arch Street from the New Jersey side, 1914
 
		Preparation for War to Defend Commerce
 
		The Water Works in Centre Square, Philadelphia
 
		Bank of Pennsylvania, South Second Street, Philadelphia
 
		Pennsylvania Hospital in Pine Street
 
		Goal (jail) in Walnut Street, Philadelphia, 1800
 
		State House Garden, Philadelphia, 1800
