Bridge across the Schuylkill near Philad-
Bridge across the Schuylkill near Philad-.
[1 1/4 bolt cutting machine]
Patent bolt and nut screwing machine
July 4, 1862 - at Mr. James Hunter's Hestonville Pa
Flatrock Dam on Schuylkill River
Girard College, Philad - Profs Emerson & Himes in foreground
Spring garden water works, Philad.
Waiting for a drink. Fairmount Philad. Emerson, Himes & C. Sellers Jr.