Charles Spencer & Co., Leicester Knitting Mills, Germantown, Philadelphia
Philadelphia Water Department Fire Hydrant
Engine House, Belmont Works
Diagram showing the daily pumpage for the year 1877
Plan for the Collection, Purification and Disposal of the Sewage of the City of Philadelphia, 1912
Leslie’s Illustrated Newspaper, Schuylkill Flood 1869
Schuylkill steamship excursions ad, 1852
Fairmount Water Works, with “Nymph and Bittern” fountain and standpipe, 1875
Henry Disston & Sons Keystone Saw Works
Baldwin Locomotive Works