The Society for Industrial Archeology.
OLIVER EVANS CHAPTER
● Featured Article
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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…
● Latest Articles
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What Saving the Newkirk Monument Taught Us, and What We Still Don’t Know
In 1838, the Philadelphia, Wilmington, and Baltimore Railroad completed the first rail line between its namesake cities, a landmark feat that would eventually link Boston and…
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Underground Philadelphia: From Caves and Canals to Tunnels and Transit
September 18 @ 7:00 pm – 8:30 pm This free program will take place inside the church sanctuary, followed by a reception in Riverside Hall with live piano music provided by…
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MILLS OF THE DELAWARE VALLEY
A presentation of The Middeltown Township Historical Society by Daniel T. Campbell AIA, architect and President of the Mid-Atlantic Chapter of SPOOM (The Society for…
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UNDERGROUND PHILADELPHIA: FROM CAVES AND CANALS TO TUNNELS AND TRANSIT
Historic Gloria Dei Preservation Corporation presents A Book Talk with authors Harry Kyriakodis and Joel Spivak Wednesday, September 18th, 7:00 – 8:30 PM Philadelphia’s relationship…
● About US
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.
OLIVER EVANS CHAPTER 
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