http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f277-subject=Philadelphia Electric Company) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f277-subject%3DPhiladelphia%20Electric%20Company Results for your query: docsPerPage=100;f277-subject=Philadelphia Electric Company Thu, 01 Jan 1970 12:00:00 GMT Electric service in Philadelphia, since 1881. Liversidge, Horace Preston, 1878-, Newcomen Society in North America https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT "Conowingo!": The history of a great development on the Susquehanna. Rincliffe, R. G. (Roy George), b. 1899, Newcomen Society in North America https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc https://catalog.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT