http://www.rssboard.org/rss-specification 720 XTF Search Results (docsPerPage=100;f1-format=Book;smode=advanced;subject=Engines;subject-join=exact) http://norton.wrhs.org/collections/search?docsPerPage%3D100;f1-format%3DBook;smode%3Dadvanced;subject%3DEngines;subject-join%3Dexact Results for your query: docsPerPage=100;f1-format=Book;smode=advanced;subject=Engines;subject-join=exact Thu, 01 Jan 1970 12:00:00 GMT Powell leverage cycle. Powell, Alvah L. http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT A short history of mechanical traction and travel. Kidner, R. W. (Roger Wakely), 1904- http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc http://norton.wrhs.org/collections/view?docId=marc/skclmarc202890322046876.mrc Thu, 01 Jan 1970 12:00:00 GMT