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…
The Oliver Evans Chapter, Society for Industrial Archeology presents U.S. Lighthouse Tender Lilac Wednesday, December 10, 2025, 6pm Register at this link to join the…
The Oliver Evans Chapter, Society for Industrial Archeologypresents U.S. Lighthouse Tender Lilac A presentation by Mary Habstritt Wednesday, December 10, 2025, 6pm She was launched…
A Society for Industrial Archeology Presentation by Arron Kotlensky and Steve Walton Thursday, November 20, 2025, 5 p.m. Eastern (US & Canada From its beginnings…
This website provides you—and others who care about the past and future of Philadelphia—a rich collection of sources about the South Philadelphia refinery complex and…

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.


