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…
National Museum of Industrial History presents June 30th 2:00 to 4:00 For June’s special How It Works tour Mike Helbing will lead a talk and tour about…
Mill Creek Sewer, ca. 1883, at 47th Street and Haverford Avenue in West Philadelphia. The effort to encapsulate and bury Mill Creek in a 21-foot…
PROGRAM, ANNUAL MEETING & PICNIC Monday, June 24, 2019 Please join our Chapter for the Picnic this coming Monday. E-mail Helen, treasurer, with your intention…
Monday, June 24, 2019 Adventures in Steam Locomotion A school teacher by day, in his free time Tom Gears is a steam locomotive engineer at…

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.



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