Fairmount Water Turbine Wheels (1851)
Fairmount Water Powered Water Works (1822)
Fairmount Steam Works (1815)
Twenty-fourth Ward (or West Philadelphia) Works, 1855
The Centre Square Works, 1801
State of the Schuylkill River in 1876: Sewage pollution and possible remedies
Pennsylvania Railroad Bridge at Manayunk, about 1895
Two reports on the state of the Schuylkill River, 1867
Streams, islands, and ferries of early Philadelphia
Schuylkill Navigation Company Scrapbook
