XTF Search Results (docsPerPage=100;f20-subject=Railroads -- Curves and turnouts)

http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f20-subject=Railroads -- Curves and turnouts) https://catalog.wrhs.org/collections/search?docsPerPage%3D100;f20-subject%3DRailroads%20--%20Curves%20and%20turnouts Results for your query: docsPerPage=100;f20-subject=Railroads -- Curves and turnouts Thu, 01 Jan 1970 12:00:00 GMT A system of useful formulae: adapted to the practical operations of locating and constructing railroads. Borden, Simeon., Boston Society of Civil Engineers 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 Improved railroad turn-out for city & suburban railways: patented December 22d, 1863. Pillsbury, I. N. 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