Photographer's imprint printed on mount., Photographer's blindstamp on mount., View looking from the west bank of the Schuylkill River showing the Fairmount Water Works. Includes the observatory tower arch (built 1860). A man stands among lush vegetation on the west riverbank. The waterworks, originally built between 1812 and 1822 after the designs of Philadelphia engineer Frederick Graff, were altered and expanded after the designs of Philadelphia engineers, Henry P.M. Birkinbine and Frederick Graff, Jr.