http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f4-subject=Electric lamp industry -- United States -- History) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f4-subject%3DElectric%20lamp%20industry%20--%20United%20States%20--%20History Results for your query: docsPerPage=100;f4-subject=Electric lamp industry -- United States -- History Thu, 01 Jan 1970 12:00:00 GMT The electric incandescent lamp, 1880-1925. Covington, Edward J. 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 Makers of National: the spirit and people of an industrial organization. Covington, Edward J. 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