OLIVER EVANS CHAPTER

Bucks County Trolley Lines In person presentation by Mike Szilagyi, AICP, author and historianWednesday, September 9, 2025, 6:00 – 7:30 pm Here is the link for people unable to attend in person: https://freelibrary-org.zoom.us/webinar/register/WN_jzRAHDU2To2gpnczTJNUDg Bucks County, Pennsylvania, was once served by 120 miles of trolley lines. During the decades spanning the 1890s…
Design Advocacy Groupin person event Wednesday, August 12, 20265:30 PM – 7 PM David Seltzer will join DAG for a presentation based on his book,Transit…
View of the Glass works of T. W. Dyott at Kensington on the Delaware nr Philada., Lithograph by Kennedy & Lucas after William L. Breton,…
Illustration by James Olstein The Great Philly Mag Semiquincentennial Quiz: Part 6 Test your Philly history knowledge with our Semiquincentennial Quiz. This month: how the…
Historic Cliveden presents a Second Saturday tour Saturday, July 11, 2026, 10:30AM to 1:30PM The tour will be led by Adam Levine, an Oliver Evans…

The SIA’s emphasis on archeology reflects a concern for the tangible evidence of early industry. Our mission is the study, interpretation, and preservation of the surviving factories, machinery, bridges, canals, industrial communities and artifacts that are historically significant.


